Malicious PDF — malware analysis report

Static analysis result for SHA-256 0f7079a4d8763b0e…

MALICIOUS

PDF

42.1 KB Created: 2021-03-29 00:44:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 091a4be9af4752eefaa0eac21e43d18b SHA-1: 17dc5f9065133cae40334b209e5f99d057c2e115 SHA-256: 0f7079a4d8763b0e5283c2619af96a5b6326a65c6a803156ef4e0b54595da889
174 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document is identified as a phishing lure due to its small size and image-heavy content, typical of a screenshot designed to trick users into clicking an embedded link. The presence of a large number of external links, including one to 'dugedepap.ru', strongly suggests a malicious intent to redirect users to potentially harmful websites. The ClamAV detection further confirms its malicious nature.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6647

Heuristics 5

  • 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
  • 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 42 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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://dugedepap.ru/award?keyword=gummy+bear+osmosis+experiment+pdf
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    • https://wubudonujekud.weebly.com/uploads/1/3/4/5/134524452/ruzipigufekukop.pdf
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    • https://s3.amazonaws.com/xalasawu/lakers_trade_news_bleacher_report.pdf
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    • https://s3.amazonaws.com/tosego/94167084203.pdf
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    • https://2a4c341d-9af7-4f89-b48a-1b926ad6ced7.filesusr.com/ugd/dd6616_45f99e4b8a4f485aa16decac45a39e66.pdf?index=true
    • https://s3.amazonaws.com/dopugaxelelema/europa_report_ending_explained.pdf
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    • https://60f6da8c-824c-4163-aae9-6195f2ac7ed4.filesusr.com/ugd/7f16bd_3639f2c5997143b2b7671347b76c5272.pdf?index=true