Malicious PDF — malware analysis report

Static analysis result for SHA-256 50159e833c13b1e5…

MALICIOUS

PDF

101.6 KB Created: 2020-12-28 06:08:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9d9f25f8b5451e7c5df92ddecb53e25f SHA-1: 0f72973547819806123cae14a3f55503a64a6b05 SHA-256: 50159e833c13b1e565e4807f361dfea9df83d32905ccb3aa05dd2469ab010c67
212 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file contains numerous links to external websites, flagged as a link farm and redirector. The embedded content suggests a lure related to 'Best android app for apple email', likely intended to trick users into visiting malicious sites. The ClamAV detection and ML classifier further support its malicious nature, indicating it's likely a phishing or malware distribution tool.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8758

Heuristics 4

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://traffmen.ru/aws?utm_term=best+android+app+for+apple+email
    • https://vubibawijov.weebly.com/uploads/1/3/0/7/130776162/menemusuraxamel_zinonimofalan_vuxet.pdf
    • https://cdn.sqhk.co/waximanodif/feig2ja/bouncy_ball_kit_target_instructions.pdf
    • https://static.s123-cdn-static.com/uploads/4488330/normal_5fc87b1828b00.pdf
    • https://cdn-cms.f-static.net/uploads/4375093/normal_5fadb8154aaee.pdf
    • https://busaluvugisegiw.weebly.com/uploads/1/3/4/3/134368440/fibuwabunufikosojewu.pdf
    • https://cdn.sqhk.co/jelivapizivo/R5Yghhh/8574379496.pdf
    • https://cdn-cms.f-static.net/uploads/4450259/normal_5fe7b32cb9b98.pdf
    • https://tawedituja.weebly.com/uploads/1/3/4/8/134864040/2190a908.pdf
    • https://cdn.sqhk.co/perigupa/joghjcF/33475866111.pdf
    • https://cdn.sqhk.co/rewazexi/shb7Ije/patchwork_game_strategy.pdf
    • https://cdn-cms.f-static.net/uploads/4367912/normal_5f90006a856ad.pdf
    • https://cdn-cms.f-static.net/uploads/4366022/normal_5f89286fa8650.pdf
    • https://xefozevinunakab.weebly.com/uploads/1/3/4/3/134340699/sobodaganaw.pdf
    • https://buwofapakudo.weebly.com/uploads/1/3/5/3/135316190/2f0aa33ab.pdf
    • https://s3.amazonaws.com/sajezife/zte_axon_7_nougat_update.pdf
    • https://s3.amazonaws.com/rekorewexidiwo/rirafoget.pdf
    • https://s3.amazonaws.com/xamibudasagas/peter_pan_pantomime_script.pdf

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