Malicious PDF — malware analysis report

Static analysis result for SHA-256 5ee6377d3fcb546d…

MALICIOUS

PDF

41.5 KB Created: 2021-09-30 13:46:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)
MD5: 5a8992078d3176b791f0cfe2f3ff1d1b SHA-1: 992c4abb4abbaaac8e26f1e163c479391bcabc8c SHA-256: 5ee6377d3fcb546d3f33afe24df70035f6af72202b2608a17bd89e6030d6296a
144 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as a phishing lure due to its small size, image-heavy content, and embedded clickable actions. It contains numerous external links, many hosted on disposable domains, suggesting a link farm used to obscure the final destination. While no scripts were explicitly extracted, the PDF structure and heuristic firings strongly indicate it's designed to redirect users to malicious sites, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8256

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 41 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://ldcpc.com/ckfinder/userfiles/files/rajemogijokegolepo.pdf
    • http://bridgestone-ice-cruiser-7000.ru/ckfinder/userfiles/files/45498539143.pdf
    • http://anm-av.de/uploads/files/ximotojikixazoveda.pdf
    • http://www.plan.msu.ac.th/ckfinder/userfiles/files/xebonoxogos.pdf
    • https://cryptobasics.biz/uploads/files/sevimigodufegadar.pdf
    • http://www.bufolari.com/public/immagini/file/xaxejoga.pdf
    • http://dansungsala.com/uploads/files/sosurisavesatowifef.pdf
    • http://banquat.com/userfiles/files/2949160592.pdf
    • https://mystruggle.uk/indigo/ckfinder/userfiles/files/52421297923.pdf
    • https://qigoodteam.com/uploads/files/202109241923141412.pdf
    • http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141538ea659d---28842394499.pdf
    • http://analogsys.com/uploaded/file/23143947861541450e09dc.pdf
    • http://karaokejdi.com/ckfinder/core/connector/php/upload/files/37382011090.pdf
    • http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c6814da862---tuwutikub.pdf
    • http://fobosgrunt.ru/files/ckfinder/files/68500863410.pdf
    • http://werder-ritter.de/UserFiles/File/samosisokakozev.pdf
    • http://tencanpowder.com/d/files/rajerovugaxanel.pdf
    • http://grandviewgroupresort.com/upload/files/muzakiwepeke.pdf
    • https://arhometutor.com/userfiles/file/69308284550.pdf
    • http://hoachathoanggia.com/userfiles/file/75790736099.pdf
    • https://giltmorestukko.hu/ckfinder/userfiles/files/datepexo.pdf
    • http://orlickachata.cz/files/files/53526882545.pdf
    • https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=how+to+clear+search+history+on+play+store

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