Malicious PDF — malware analysis report

Static analysis result for SHA-256 e0b2f8528e64c0f6…

MALICIOUS

PDF

59.4 KB Created: 2021-07-24 22:31:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)
MD5: 932b62154a09860bdcffab9fb10fe374 SHA-1: f9fa3f63d16dac6a338b9cb27cd45bc224cdf4e1 SHA-256: e0b2f8528e64c0f66bc5b01d726c301d7b7cd6f8f195c09d9da7101c5a751938
154 Risk Score

Malware Insights

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

The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links pointing to compromised websites and disposable hosting, indicating a link farm designed to redirect users to malicious content. The presence of embedded URLs and the nature of the heuristics suggest an attempt to exploit users through deceptive links, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9534

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
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://netcsemege.hu/ckfinder/userfiles/files/mozemotog.pdf
    • http://unicorn-furnitures.com/d/files/25576115202.pdf
    • https://gauravkankariya.com/wp-content/plugins/super-forms/uploads/php/files/3mnldgk9tcineqn45mago5j293/mijijuvepazaf.pdf
    • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/83b31472148b80f36da68c0e1c86631c/78760993941.pdf
    • http://turagent007.ru/userfiles/file/48229806847.pdf
    • http://adaviestransportltd.com/userfiles/file/jitawubefas.pdf
    • http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/160b8c41f3160e---nasukesesadujabekelemef.pdf
    • https://www.northwoodmedical.ca/wp-content/plugins/super-forms/uploads/php/files/hs8s1lsnutaertjh33pvrq2ekp/1755650603.pdf
    • https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/j0rvjm1gvnknukko0aa45ej4vu/72229383500.pdf
    • https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/81a4284d4355636053f5bc9b2cc359f2/xefare.pdf
    • https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/8td0bajr2uf089i0nti1s1opn9/44561179431.pdf
    • http://www.emporiocaritaspisa.it/wordpress/wp-content/plugins/formcraft/file-upload/server/content/files/160e2239590694---24880059073.pdf
    • http://cuspsurgeons.com/userfiles/file/zedewosuj.pdf
    • http://taiwanglassgroup.cn/userfiles/file/tawititol.pdf
    • http://hieuchuan.com/upload/files/98866474882.pdf
    • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082fd431943d---96046834529.pdf
    • https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608abc6894570---zixakidodipidulixe.pdf
    • https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160763301115a9---21818161519.pdf
    • http://clingac.es/d/files/safenenosoxozokebuj.pdf
    • https://corpusbg.com/files/fck/file/2826088926.pdf
    • https://mariellatriolo.it/public/file/gokogevujibi.pdf
    • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=can+i+use+paysafecard+on+paypal

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