Malicious PDF — malware analysis report

Static analysis result for SHA-256 055c274865ae43c3…

MALICIOUS

PDF

50.6 KB Created: 2020-11-30 18:18:33 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 65350b24dcfef67e11a296f902518ded SHA-1: 1104da97a7461edf115f2a6715399d053285206d SHA-256: 055c274865ae43c3034cb8049b96601bee55464d3525be8ef95bf4860ccac343
144 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as malicious by ClamAV and a machine learning classifier, exhibiting characteristics of a phishing lure. It contains an image-based interface designed to trick users into clicking a link, likely to a malicious site. The embedded URLs, such as 'https://traffking.ru/aws?utm_term=neverware+chrome+os', suggest a phishing or credential harvesting attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6878

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
  • 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 50 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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://traffking.ru/aws?utm_term=neverware+chrome+os
    • https://zagarete.weebly.com/uploads/1/3/4/6/134687236/nidanifopuwolovubu.pdf
    • https://zufugorutamivas.weebly.com/uploads/1/3/4/4/134401118/b3f0d.pdf
    • https://cdn-cms.f-static.net/uploads/4387242/normal_5f946d39e9b16.pdf
    • https://pirovosarelivo.weebly.com/uploads/1/3/1/4/131406751/wonepeni_momowizuze_modosax.pdf
    • https://dodivimibo.weebly.com/uploads/1/3/4/3/134305777/tamuxugubosalikijimo.pdf
    • https://static.s123-cdn-static.com/uploads/4449769/normal_5fc4c2b08d9cb.pdf
    • https://cdn-cms.f-static.net/uploads/4368955/normal_5f8db43d6100c.pdf
    • https://mexarufuwusa.weebly.com/uploads/1/3/4/5/134599415/gikopadamu.pdf
    • https://rekaxuvukevo.weebly.com/uploads/1/3/4/9/134904446/doluwepagejo-jijifuzivulax-jisowutuwaf-fokexumama.pdf
    • https://wunobenera.weebly.com/uploads/1/3/4/8/134887230/119f89138.pdf
    • https://belafawejogawol.weebly.com/uploads/1/3/4/5/134583754/jakadaworulozazur.pdf
    • https://cdn-cms.f-static.net/uploads/4382976/normal_5faec28c7fe32.pdf
    • https://s3.amazonaws.com/jezobasit/you_are_beautiful_beyond_description_verse.pdf
    • https://s3.amazonaws.com/vukumesoj/twenty_years_after.pdf

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