Malicious PDF — malware analysis report

Static analysis result for SHA-256 9848074f8ce5465c…

MALICIOUS

PDF

83.2 KB Created: 2021-03-24 00:28:12 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-08-25
MD5: 2513c67bf77d9aaa28409ed3d794cf46 SHA-1: d0e2ced3eefd8694fa4eaa5fcaeb8f18ea83696e SHA-256: 9848074f8ce5465c7e1e168cc822813c24f0f257316ccc2a7e4f5dce71567a46
126 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains heuristics indicating it is a link farm and has been flagged by ML classifiers and ClamAV as malicious phishing malware. The embedded URL points to a suspicious domain, suggesting an attempt to redirect users to a malicious site. The document body, though heavily obfuscated, contains keywords related to 'sports gift box' and application metadata, which likely serve as a lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://jottigo.ru/wix?keyword=sports+gift+box PDF link annotation
    • http://melomone.scienceontheweb.net/nutodokolobenawo.pdfIn PDF document text
    • https://cdn.sqhk.co/guzelatolina/9wi4Qhc/12489623972.pdfIn PDF document text
    • http://mivifukatovaga.getenjoyment.net/xapazudixun.pdfIn PDF document text
    • http://zenaxudoriw.mypressonline.com/zomadududuwekofilidazuf.pdfIn PDF document text
    • https://cdn.sqhk.co/tixukiko/hgjecic/dirumogato.pdfIn PDF document text
    • http://zinefikitozozeg.sportsontheweb.net/how_to_estimate_the_price_of_building_a_house.pdfIn PDF document text
    • https://cdn.sqhk.co/zugivakizo/NygcIgh/rorukeninuwofaxajenopal.pdfIn PDF document text
    • https://cdn.sqhk.co/zudilubal/n74ifgj/muzivokaru.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://f85e9a30-dbb9-40fd-a66d-53bd7daafe07.filesusr.com/ugd/1b9faa_6072976a77f248dbb5c39de4a0ba41d8.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/musoxifuvitalo/winisinudokaboditatisa.pdfIn PDF document text
    • http://kirotomi.epizy.com/yo_amo_a_juan_querendon_online_capitulos_completos.pdfIn PDF document text
    • https://34886cf3-15ed-44db-93e8-8979dc7c4cd7.filesusr.com/ugd/ea2c45_b2e2b18935d048648791fa6c0344eb37.pdf?index=trueIn PDF document text
    • http://pitaken.onlinewebshop.net/comment_fusionner_des_sans_logiciel.pdfIn PDF document text
    • http://vekabun.myartsonline.com/clydesdale_bank_mortgage_deed.pdfIn PDF document text
    • http://lomaxunofixise.rf.gd/64029204153.pdfIn PDF document text
    • https://1e16da7b-5b4f-4122-a3c4-5c88c9d97cf7.filesusr.com/ugd/83f04e_fa7d3380b9624c2fad87055e98be4731.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/dazuxujepov/coraline_sheets_wickes.pdfIn PDF document text
    • https://s3.amazonaws.com/vabedafozo/albert_camus_et_le_mythe_de_sisyphe.pdfIn PDF document text
    • https://s3.amazonaws.com/sifawekujiki/vepifem.pdfIn PDF document text
    • https://s3.amazonaws.com/pipaneku/xogejodax.pdfIn PDF document text
    • https://99442e0c-e188-470f-b1e9-a2082f9e7f28.filesusr.com/ugd/2274a7_1efed8f91dd345b587a526b04062faf5.pdf?index=trueIn PDF document text
    • https://3d7c42e8-cad9-4196-8f3c-0f210fd97588.filesusr.com/ugd/1b7c00_574234cc7c1e44a281de0afbb757ec54.pdf?index=trueIn PDF document text
    • 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://scripts.sil.org/OFLIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00010748.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10748 5136 bytes
SHA-256: b806145c075fd4568429f64aedc2a74cc92b622bdf6a5ba913781a1f219b314a
font_01_sfnt_off000118d6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x118D6 11672 bytes
SHA-256: e088a33fc5c3ef4b82b8ea54801aab573a2b5a3f37a0d20b5205ef66f7681b21

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