Malicious PDF — malware analysis report

Static analysis result for SHA-256 747e06ca95a119eb…

MALICIOUS

PDF

87.1 KB Created: 2021-06-28 00:54:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-05
MD5: 311bc8676d7dce9a6874ac32f1fab35f SHA-1: e1bd1fc00f671fa8629deff0114e16a77fe01547 SHA-256: 747e06ca95a119ebf7ccb62937c44f2df20362d80f548340c86a5b068092673a
156 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple compromised or disposable hosting sites, likely for phishing or malware distribution. The presence of numerous unknown URLs supports this assessment.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9961

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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.
  • 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 https://www.dishdivvy.com/wp-content/plugins/super-forms/uploads/php/files/a049903af18f318368c96525dfb3eb10/benajebokukewusorawizu.pdf In PDF document text
    • https://www.indee-r.fr/wp-content/plugins/super-forms/uploads/php/files/45941cc28b7ca3901834c49a7f08ac8e/jevozijadujolafosisedav.pdfIn PDF document text
    • http://liebherr-tr.com/userfiles/file/52731347638.pdfIn PDF document text
    • http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16077538f30a32---wakoxolebiduzorudexuwan.pdfIn PDF document text
    • http://miwon.com.vn/app/webroot/uploads/files/82617773445.pdfIn PDF document text
    • https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/0db1f7cbd44c242c783acc572704b104/98293140463.pdfIn PDF document text
    • https://abeess.com/userfiles/file/fazefo.pdfIn PDF document text
    • http://the100voicesofgospel.de/fichiers/newsletter/file/453022610.pdfIn PDF document text
    • https://www.intermediastudios.com.mx/wp-content/plugins/super-forms/uploads/php/files/f70a3c3fedfd2d558145595653299312/67077500232.pdfIn PDF document text
    • http://drapikowski.pl/uploaded/fck_files/file/52528259075.pdfIn PDF document text
    • https://eurouniversal.eu/ckfinder/userfiles/files/12969816046.pdfIn PDF document text
    • https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/7r6h1qqmfnvss8jcunn1p97mcr/torugimidi.pdfIn PDF document text
    • http://trustarshida.co/cache/fck_files/file/tabuka.pdfIn PDF document text
    • http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ed90d98879---bibugagirurizanozojiwabe.pdfIn PDF document text
    • https://cor.org.ar/wp-content/plugins/super-forms/uploads/php/files/rvpnqogg8t2qdho3fg8p6djv1p/54240540125.pdfIn PDF document text
    • http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/jh3g06h3u23qp17ajfpdrjk2g1/20961455755.pdfIn PDF document text
    • http://www.truca-taoules.com//ckfinder/userfiles/files/66362747573.pdfIn PDF document text
    • https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/16077553916e08---pijakadikekofunoz.pdfIn PDF document text
    • https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/7fd2e943e57fa8c014338a775f04f3e4/54403918778.pdfIn PDF document text
    • http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b06c639a10e---85658697592.pdfIn PDF document text
    • https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/jc2htcfcrbgq9neb72sge94gim/28400079164.pdfIn PDF document text
    • https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072ece516f7b---47391995732.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=no+sperm+after+vasectomyPDF 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_off0000f3b4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF3B4 16696 bytes
SHA-256: 4b0d2bf0fd6710758512037e64232c5d5d374e6a094115fa1ff54ef7967f70c5
font_01_sfnt_off00011f25.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11F25 10556 bytes
SHA-256: 9abfd832d69952faafb0123593ee613a9f6cbc5258794bde8e022185fe3c3bf5
font_02_sfnt_off0001375b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1375B 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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