Malicious PDF — malware analysis report

Static analysis result for SHA-256 1e19c6a0a8cbe143…

MALICIOUS

PDF

48.0 KB Created: 2021-06-14 19:58:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5f5955a00d63a24edbe52ac57904412b SHA-1: cefc2e3b70d9af7a035864d28078c48d20d47925 SHA-256: 1e19c6a0a8cbe143ebd2165fe34a8b5c5b8e83884cdaeae58192547db8f37888
174 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document is designed as a lure, masquerading as a movie download to trick users into clicking embedded links. The heuristics indicate it's an image-only document with a click-outward action, typical of phishing lures. The numerous links point to compromised CMS upload storage, suggesting a distribution network for malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9334

Heuristics 6

  • 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 48 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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://oniceh.ru/uplcv?utm_term=lamhe+full+movie+hd+1080p
    • https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16084b8c7e3238---rusedagadirovo.pdf
    • https://bwawarszawa.pl/upload/file/9071385965.pdf
    • https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/m4afh7op1tidml2ns8134ga7lk/bimizofigor.pdf
    • https://avela.md/userfiles/file/vuvakivapuxejis.pdf
    • https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/o32ni2mgjhqatsg5cafe6etcec/62369555513.pdf
    • https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/a7a1218a81bfc5d316d4ab6942221603/36421398717.pdf
    • https://www.heracles-hotel.eu/wp-content/plugins/super-forms/uploads/php/files/chqthr1fq99vcrcdm3uv9d97rd/88498665176.pdf
    • http://ovartec.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607173b70e179---85321022480.pdf
    • https://arerp.kr/data/file/%5C/2791899129.pdf
    • http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/160718ee4e5160---safalasuj.pdf
    • http://simmsfamilyreunion.com/clients/9/98/98d47f1658d09d39d77ba56043454c9c/File/vosarimumugepamamek.pdf
    • http://allaboutdowney.com/userimages/47544254944.pdf
    • https://minutesnap.com/wp-content/plugins/super-forms/uploads/php/files/c76021cb533d4fdea3fb265c88fc7fab/610713866.pdf
    • http://global-gypsum.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a943ef145f---wipobajedovolaraxaza.pdf
    • https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/706489qch5i1ssridjomo284qb/35289282199.pdf
    • https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/894c7ef1bc365a3d08af4cc71f425ba1/zubinene.pdf
    • https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077b3ba4862c---japezuluwinemuzubofote.pdf
    • https://boldvision.tv/wp-content/plugins/formcraft/file-upload/server/content/files/16099f10b683f6---59751395924.pdf

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