Malicious PDF — malware analysis report

Static analysis result for SHA-256 a49187d61199ce5c…

MALICIOUS

PDF

52.6 KB Created: 2020-12-18 14:58:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 76044c94906312532f65154316c44ad8 SHA-1: 2d2b912249c48dd6ce7b924e3e787f12bf4aa942 SHA-256: a49187d61199ce5c0b83fa1232b8ef79cd3166743db51aa8753a0026f14641b2
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of external links, identified as a PDF link farm. One of the primary external URLs, 'https://traffine.ru/aws?utm_term=autoit+zip+file', suggests a potential lure related to 'autoit zip file'. The ClamAV detection and ML classifier further indicate malicious intent, likely related to phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7185

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://traffine.ru/aws?utm_term=autoit+zip+file
    • https://metipejoxeve.weebly.com/uploads/1/3/4/7/134725173/267e4.pdf
    • https://donikigegetala.weebly.com/uploads/1/3/4/3/134311768/jukafepolabejexog.pdf
    • https://goxuxogegeta.weebly.com/uploads/1/3/4/6/134688707/zavisosiwolilu_tesejolametaro.pdf
    • https://cdn-cms.f-static.net/uploads/4379471/normal_5fa402425faf4.pdf
    • https://winakafefumo.weebly.com/uploads/1/3/1/3/131397983/fevikese.pdf
    • https://s3.amazonaws.com/tujeviwakirawu/axl_tamil_hd_movie.pdf
    • https://s3.amazonaws.com/xugigabitulu/kewibowilodawenadibosapen.pdf
    • https://s3.amazonaws.com/zirojopemup/pupazasojixu.pdf
    • https://s3.amazonaws.com/panalipolifod/xumelukonevat.pdf
    • https://s3.amazonaws.com/juwofuxufijup/niccolo_machiavelli_the_prince_answer_key.pdf
    • https://s3.amazonaws.com/kuxuxemu/71169429276.pdf
    • https://s3.amazonaws.com/lijopavexanuse/the_call_of_cthulhu_download.pdf
    • https://s3.amazonaws.com/fopalew/92889881416.pdf
    • https://s3.amazonaws.com/jujojomojemiz/teamviewer_14_free_for_mac.pdf
    • https://s3.amazonaws.com/negonanopix/wuwijilikufedevalufod.pdf
    • https://s3.amazonaws.com/wixamupelinere/sociedade_brasileira_de_urologia_cancer_de_prostata.pdf