Malicious PDF — malware analysis report

Static analysis result for SHA-256 e02b9965adc5e703…

MALICIOUS

PDF

109.1 KB Created: 2021-07-31 04:45:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-05
MD5: 22f664ade90ad566f9518a33264aeeba SHA-1: 24c9cc719b551ec4be9c1ef0b1f4fe41e1576054 SHA-256: e02b9965adc5e703fce7e7265bcbbfadca210d40e52a024cf788cd39ff764def
244 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1566 Phishing

This PDF document employs a brand-impersonation credential phishing lure, specifically targeting Facebook users. It contains numerous links to potentially compromised WordPress sites and disposable hosting, suggesting an attempt to redirect users to a malicious login page. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for credential harvesting.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9881

Heuristics 9

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
    PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
  • Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISH
    Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=how+to+hack+pewdiepie+tuber+simulator+ios+2019.
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://prattsofdouds.com/clients/d/d8/d85aab9f4bcbae69c8358f7a9990a0b1/File/tozirulowibexavogeju.pdf In PDF document text
    • https://www.demetagras.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073ffe9818a6---mizan.pdfIn PDF document text
    • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093defca380d---27852525624.pdfIn PDF document text
    • https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9aa5ca090c---18482804215.pdfIn PDF document text
    • https://houstoncoinshow.org/FCKeditor/file/lepoguv.pdfIn PDF document text
    • https://luxmarketing.agency/wp-content/plugins/super-forms/uploads/php/files/9vhiq2pg9ah3bldgvobk6tchpu/30888277028.pdfIn PDF document text
    • https://diversified-nj.com/wp-content/plugins/super-forms/uploads/php/files/c20f484f5544c0ff734f3151ec76bfbb/91879195902.pdfIn PDF document text
    • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/kmeacvb91ig75b42k32o6d9fb0/20472485755.pdfIn PDF document text
    • http://irishheritagesociety.net/clients/7/7f/7f3653e4c5d791bf76f28d2bf9929747/File/wixobikegapuzukamef.pdfIn PDF document text
    • http://adveotec.com/img/file/gatoxuxoziw.pdfIn PDF document text
    • http://mtcongnghiepxanh.com/upload/fckimagesfile/xetexozigolofewa.pdfIn PDF document text
    • http://staging.impactredevelopment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072d062c75a4---puziseva.pdfIn PDF document text
    • http://primaria-ciocirlia.ro/media/file/juxiwesigamududolo.pdfIn PDF document text
    • http://nemdanangpho.com/uploads/2021-06-05/images/files/zudatorobulikinifidegugi.pdfIn PDF document text
    • http://diamantina-joaillerie.com/ckfinder/userfiles/files/2141701098.pdfIn PDF document text
    • http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fd9e981ae8---41005205324.pdfIn PDF document text
    • http://sbnjl.com/userfiles/files/bunamowazivatesulokevan.pdfIn PDF document text
    • https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/050c41c7c49366c570c30b1521168dfe/52314135220.pdfIn PDF document text
    • http://viettelhaiphong.me/data/dulieu/files/bajevizagebajalewizuk.pdfIn PDF document text
    • https://big-affaires.com/img/pics/files/62149454243.pdfIn PDF document text
    • http://erdivigado.hu/userkepek/file/12705118318.pdfIn PDF document text
    • https://calldidocta.com/wp-content/plugins/super-forms/uploads/php/files/ba14aa370d2aaac7707a916033b8ab68/ruwetimonupawubof.pdfIn PDF document text
    • http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/160fccd1c5fc5f---mirekudaxifuzitapil.pdfIn PDF document text
    • http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/160860d4463644---zeniziwazuguminub.pdfIn PDF document text
    • http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/16086ec7282d97---fepawiwiw.pdfIn PDF document text
    • https://sgdivorcelawyers.com/wp-content/plugins/super-forms/uploads/php/files/78f32c92edd9bdbddfbda9110496f709/patofobapa.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=how+to+hack+pewdiepie+tuber+simulator+ios+2019PDF link annotation
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00014299.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14299 11548 bytes
SHA-256: 6c611b5626b6b0663dcc7c0166f8e5d8f96076bbeacc118e90f5ad7fe22d2c38
font_01_sfnt_off00015de0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x15DE0 18364 bytes
SHA-256: a7022bcbb55f48840c5d957c812a1c933ad59671a3e368ba8a10f743d7074827
font_02_sfnt_off00018c95.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x18C95 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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