Malicious PDF — malware analysis report

Static analysis result for SHA-256 394937f97513458f…

MALICIOUS

PDF

16.0 KB Created: 2020-10-26 02:54:43 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 86af92ec234873d149cc4cc96825e26b SHA-1: d98b7454f80eac255b57b496a8fba21aecf91fb6 SHA-256: 394937f97513458f4297256c690600eb635794ff16717ad265ed7348807e06e7
172 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF is designed as a screenshot lure, containing minimal text and a clickable action that redirects to a malicious URL. The document body contains obfuscated text and embedded URLs, including a known malicious redirector. The presence of numerous external PDF links suggests a link farm or SEO poisoning attempt to distribute malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9981

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.
  • 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 16 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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://gettraff.ru/strik?keyword=asp.+net+tutorials
    • https://s3.amazonaws.com/sevoga/beats_solo3_wireless_on-_ear_headphones_manual.pdf
    • https://s3.amazonaws.com/wilugugo/kowewebabe.pdf
    • https://s3.amazonaws.com/leguvefu/10452909567.pdf
    • https://s3.amazonaws.com/mijedusovineti/jozexafizugotulok.pdf
    • https://cdn.shopify.com/s/files/1/0435/3638/4149/files/26447907713.pdf
    • https://cdn.shopify.com/s/files/1/0506/0116/4965/files/77556357941.pdf
    • https://cdn.shopify.com/s/files/1/0497/5978/1023/files/tamil_name_list_girl_baby.pdf
    • https://uploads.strikinglycdn.com/files/fc55f8af-5ced-4008-aae6-180bb743dbbe/11720327344.pdf
    • https://uploads.strikinglycdn.com/files/3a25f239-132d-4037-a93e-fc407bbaf18e/titanic_pelicula_completa_en_espaC3B1ol_latino_gratis.pdf
    • https://cdn.shopify.com/s/files/1/0483/3905/8851/files/48531307641.pdf
    • https://cdn.shopify.com/s/files/1/0506/4884/2414/files/latin_law_phrases.pdf
    • https://cdn.shopify.com/s/files/1/0499/3210/7937/files/36649049958.pdf
    • https://cdn.shopify.com/s/files/1/0498/5936/2973/files/5_minute_plank.pdf
    • https://cdn.shopify.com/s/files/1/0433/2044/3045/files/lillebaby_carrier_complete_instructions.pdf

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