Malicious PDF — malware analysis report

Static analysis result for SHA-256 051eb4187b75a47f…

MALICIOUS

PDF

50.6 KB Created: 2021-03-30 13:27:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9159beb6a85f22436526418e6b2e0a78 SHA-1: c86a8aa20cc7098e1ce38e8d1bb0c46c871e4289 SHA-256: 051eb4187b75a47f2cdb9a867062407edf67f50dfac2ba6caf051675b762d363
144 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document is identified as a phishing lure due to its image-only nature and the presence of a clickable link. The heuristic PDF_IMAGE_LURE indicates a common tactic where a screenshot is used to hide an actionable element. The embedded URL, https://seumenha.ru/aws?utm_term=casio+g+shock+manual+3232, is a primary indicator of the malicious destination. ClamAV detection further supports its malicious classification.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7360

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
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 50 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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://seumenha.ru/aws?utm_term=casio+g+shock+manual+3232
    • https://cdn-cms.f-static.net/uploads/4410191/normal_604cf61198ef6.pdf
    • https://cdn-cms.f-static.net/uploads/4387421/normal_602ab67ec9fab.pdf
    • https://static.s123-cdn-static.com/uploads/4368953/normal_5ff466c39d25b.pdf
    • http://tixesikixux.mygamesonline.org/kogilifikusiwen.pdf
    • http://fuxarirudutosas.iblogger.org/evolution_zoology_notes.pdf
    • https://cdn-cms.f-static.net/uploads/4481285/normal_6039ca310f842.pdf
    • https://jiresuzava.weebly.com/uploads/1/3/4/7/134706808/naxukaluso.pdf
    • https://vigoxanumevu.weebly.com/uploads/1/3/4/4/134466257/lilixugokosi_mimomosoba_zigivezigovu_ginokot.pdf
    • https://uploads.strikinglycdn.com/files/53b545fd-2278-4452-b5e0-2e4aac9fcfc8/39478331482.pdf
    • http://gerobuzu.epizy.com/basic_chemistry_course_online.pdf
    • http://tikeresepujel.onlinewebshop.net/creative_resume_templates_free_download.pdf
    • http://xaposekesudonod.epizy.com/97940910117.pdf
    • https://uploads.strikinglycdn.com/files/5370b09d-3548-4237-acc9-b0a020bfb16d/how_to_factory_reset_a_motorola_cricket_phone.pdf
    • http://kapowuxivi.atwebpages.com/vewapiwevewulon.pdf
    • https://0ca3454e-05ac-49fc-8d00-644b1af7be3c.filesusr.com/ugd/8bf3fc_eb7200508d9a4c289cc48ef1d876c752.pdf?index=true
    • https://uploads.strikinglycdn.com/files/c7b1447d-ae80-4a52-8fba-f7b7062395c2/95877446549.pdf
    • https://f495c71d-628d-4070-9a3d-b699cbb46ba4.filesusr.com/ugd/d99ef3_a2f00f5ab6e647ea9dd4d48e52d85a01.pdf?index=true

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