Malicious PDF — malware analysis report

Static analysis result for SHA-256 7d964ea94e33fca6…

MALICIOUS

PDF

80.4 KB Created: 2021-03-20 02:29:09 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: efa59560c50ee62fcaefdab567e33d00 SHA-1: 0a608fda71242da4500fc573570d52b63a847504 SHA-256: 7d964ea94e33fca6e9bb0aa16259650034022e89c37d6385da32970f918550ef
124 Risk Score

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9417

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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
  • 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://bologen.ru/award?keyword=the+metaphysical+poets+by+t.+s.+eliot+pdf PDF link annotation
    • https://cdn.sqhk.co/zokosofu/pjiigji/fighting_spiders_species.pdfIn PDF document text
    • https://cdn.sqhk.co/pibilebomek/hhhhh14/49403678529.pdfIn PDF document text
    • https://cdn.sqhk.co/wegabunuti/pEgjge2/vazupudobomitetatodovuvu.pdfIn PDF document text
    • http://lamenomapod.iblogger.org/93512398271.pdfIn PDF document text
    • https://cdn.sqhk.co/fefamujigip/e6xGq0Z/wordpress_download_for_macbook_pro.pdfIn PDF document text
    • http://fusizexa.22web.org/41873731959.pdfIn PDF document text
    • https://cdn.sqhk.co/numokafas/auBshdH/kevifazaforemegetaf.pdfIn PDF document text
    • http://vupiwenuwog.epizy.com/modyul_7_paunang_pagtataya_answer_key.pdfIn PDF document text
    • https://e4da1597-3bb3-488b-9226-7c2c9e06e9ce.filesusr.com/ugd/db5d73_a57366b2664148e894d892050999dce0.pdf?index=trueIn PDF document text
    • http://magobugibex.epizy.com/53189271880.pdfIn PDF document text
    • http://kapejuw.epizy.com/29094540266.pdfIn PDF document text
    • http://gofozumi.epizy.com/shop_vac_l250_instructions.pdfIn PDF document text
    • https://aa84fbb7-d3ea-4675-94d1-3a2d808898f4.filesusr.com/ugd/661a84_87dd48ce1e684f029a7583390ecfdf10.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/xalexojaxipud/ssc_stenographer_books.pdfIn PDF document text
    • http://jasigobup.epizy.com/template_invitation_letter_for_visa_china.pdfIn PDF document text
    • https://s3.amazonaws.com/risalenefazozo/craftsman_lawn_mower_parts_guide.pdfIn PDF document text
    • https://f6ea5e03-7e7c-4dce-82ee-fd5d223759ef.filesusr.com/ugd/d203ad_b4ce950717144a9dadf95f0101add4f3.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/jirebonudur/appareil_gnital_fminin.pdfIn PDF document text
    • http://fekofenuxekit.rf.gd/7535060685.pdfIn PDF document text

Related samples 8

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