Malicious PDF — malware analysis report

Static analysis result for SHA-256 cb79e54efc7bbcaa…

MALICIOUS

PDF

50.6 KB Created: 2021-02-17 02:50:04 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: c2797e8d0035e38dffdfafe7e13496e0 SHA-1: f515d6f4e5a05c6edd7120ae400088ae01e8788e SHA-256: cb79e54efc7bbcaafa1fdffeb7f0c6d664cb74b795d6b0936603552742906061
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of external links, identified as a link farm, which is a common technique for SEO manipulation or distributing malicious content. The presence of multiple URLs, including those hosted on epizy.com and weebly.com, suggests an attempt to redirect users to potentially harmful sites. The ML classifier and ClamAV detection further support the malicious nature of this PDF.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9443

Heuristics 4

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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=when+to+read+sundara+kandam
    • https://cdn.sqhk.co/bepesewutu/7ge8ZFJ/58159918227.pdf
    • https://cdn.sqhk.co/vawadawuleja/NVOHggi/meeting_room_guidelines_covid.pdf
    • https://sinidagiritab.weebly.com/uploads/1/3/5/3/135386058/firarunavu-wawonuwot.pdf
    • https://remogomati.weebly.com/uploads/1/3/4/7/134748537/biburozoriwoduwunoma.pdf
    • https://cdn.sqhk.co/viwiratoposu/N1iiidl/migepu.pdf
    • https://jijobowuzum.weebly.com/uploads/1/3/4/5/134590228/pevosigusofe.pdf
    • http://depofukug.iblogger.org/mizivovose.pdf
    • http://julukawava.epizy.com/72662963120.pdf
    • https://s3.amazonaws.com/jolituzoji/tmux_mac_cheat_sheet.pdf
    • http://moraruvotu.epizy.com/where_to_get_platform_sandals_near_me.pdf
    • https://s3.amazonaws.com/najubu/obituary_template_free_word.pdf
    • https://s3.amazonaws.com/mubefula/93423048062.pdf
    • https://s3.amazonaws.com/dojivewobasuval/ccleaner_app_free.pdf
    • https://s3.amazonaws.com/liwafo/jee_advanced_2016_marks_vs_rank_quora.pdf
    • https://s3.amazonaws.com/lusabifef/nifela.pdf

Open this report in the interactive analyzer, or submit your own file for analysis.