Malicious PDF — malware analysis report

Static analysis result for SHA-256 5b0242daffccf22d…

MALICIOUS

PDF

21.8 KB Created: 2020-04-02 07:37:40 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: dc317044caf68e05b0e7f33108aad617 SHA-1: 46915cb3736520e7c43ddebe5511cf4f4053a54b SHA-256: 5b0242daffccf22d53ff54edad1462b84f3c43834d213fa27b987377e49e0793
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document is identified as a lure, likely for phishing or malware distribution, due to its image-only nature and embedded clickable links. The document contains numerous external links, suggesting a link farm or redirection mechanism to potentially malicious sites. The ML classifier strongly indicates malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9989

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.
  • 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 21 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 http://tatassociates.com/uploads/1/3/1/3/131398123/131398123.html#arabic+language+course+books+pdf
    • http://belzbergdevelopment.com/uploads/1/3/1/1/131163955/6586665.pdf
    • http://onemoment.co/uploads/1/3/0/7/130739445/gatoril-fitutazi-bebesupolet-zavavil.pdf
    • http://nutribienline.net/uploads/1/3/1/1/131164398/fitetuxifowe_debugedoxonu.pdf
    • http://powellmethodcrashcourse.com/uploads/1/3/0/6/130639687/nodenumuwa-balejepugi-kapozi-fapiwuv.pdf
    • http://gospelbusiness.us/uploads/1/3/0/4/130489080/8205870.pdf
    • http://walterswoods.com/uploads/1/3/0/9/130969587/lovabatu.pdf
    • http://sterryconsultants.com/uploads/1/3/0/6/130604027/dujusu.pdf
    • http://mikebarrineau.com/uploads/1/3/0/6/130621402/rikezedigezuz.pdf
    • http://dt-resume.com/uploads/1/3/0/5/130551920/aecfab70f1cbbfb.pdf
    • http://anne-kaplan.com/uploads/1/3/0/7/130738988/pedezora_bukigosamoboxo_koreje_lububimiluz.pdf
    • http://forestdpo.com/uploads/1/3/0/5/130551212/4717951.pdf
    • http://sparkysdeli.com/uploads/1/3/0/6/130605396/1147098.pdf
    • http://vidadediva.net/uploads/1/3/0/8/130874647/cf8686f.pdf
    • http://mpdesigns.studio/uploads/1/3/0/4/130435524/8266586.pdf

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