Malicious PDF — malware analysis report

Static analysis result for SHA-256 3a80ae9a7b5bc50a…

MALICIOUS

PDF

64.0 KB Created: 2021-04-26 16:50:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: fbe27fef142c197caf4ea3be6a49c39d SHA-1: 20b2e7bef4bbc08eb13146cea2a3f7536936b257 SHA-256: 3a80ae9a7b5bc50a56bbebfb2554108f730380cc2248f3ed1da003c96785a187
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple embedded URLs, with a primary suspicious URL pointing to a domain associated with phishing. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a pattern of using disposable hosting for link farms, suggesting a malicious intent to distribute or redirect to harmful content. While no scripts were explicitly extracted, the PDF structure and embedded links strongly suggest it's designed to trick users into visiting malicious sites, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5377

Heuristics 4

  • 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
  • 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://soxebez.ru/strik?utm_term=shmoop+chronicle+of+a+death+foretold+chapter+4
    • https://static.s123-cdn-static.com/uploads/4481424/normal_5ff6abb8b381c.pdf
    • http://kujinatazema.sportsontheweb.net/tadopebev.pdf
    • https://cdn-cms.f-static.net/uploads/4393893/normal_5fe9b900111d8.pdf
    • http://mailedflkf.site/bajiwovisupomareaqjux.pdf
    • http://f1l3download.site/215109071265fwsf.pdf
    • https://cdn-cms.f-static.net/uploads/4414500/normal_6062b3c452700.pdf
    • http://criticcxck.space/43924375530p4hqd.pdf
    • https://cdn-cms.f-static.net/uploads/4451949/normal_602aba48c6040.pdf
    • https://static.s123-cdn-static.com/uploads/4380536/normal_5ffaaf15b0938.pdf
    • http://mopexaxurip.getenjoyment.net/93723598167.pdf
    • http://formblckr1.xyz/barbie_christmas_carol_dolls5a15.pdf
    • https://static.s123-cdn-static.com/uploads/4487662/normal_5fddc6a03fe8c.pdf
    • http://wewofif.scienceontheweb.net/22930936450.pdf
    • http://metarapuw.mypressonline.com/caracteristicas_biologicas_del_adulto_mayor.pdf
    • http://copyright-notice-ig.com/exercice_sur_les_accents_et_le_trma_cm2nsvgl.pdf
    • http://mabukivo.epizy.com/job_cv_maker_apk.pdf
    • http://tijepexaran.epizy.com/99461470062.pdf
    • https://s3.amazonaws.com/nademopor/why_is_my_dryer_squeaking.pdf
    • https://s3.amazonaws.com/zolerazowubow/what_is_newspaper_media.pdf
    • https://s3.amazonaws.com/rakabexozu/uniform_straight_bill_of_lading_fedex.pdf
    • http://bowedaliwerox.rf.gd/32688436671.pdf
    • https://s3.amazonaws.com/jeworurowam/butler_county_water_quality_report.pdf
    • https://s3.amazonaws.com/gopuze/84503353259.pdf

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