Malicious PDF — malware analysis report

Static analysis result for SHA-256 57e2c70708da82f2…

MALICIOUS

PDF

41.4 KB Created: 2020-11-10 18:35:38 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 46edcebe820f7da319b35e834a6e70de SHA-1: 23b4163d31f5bcbe2a3b3314f8edc1fc69efd471 SHA-256: 57e2c70708da82f228a39c918d7812b56f831519251a03f11ecb3e269dd417c6
112 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document is designed as a lure, presenting a screenshot to entice users to click a link. The embedded link, https://ggtraff.ru/aws?keyword=download+mobile+legend+apk, is identified as a malicious redirector. The document's structure and the presence of a malicious redirector strongly suggest an attempt to phish credentials or deliver a secondary payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6184

Heuristics 3

  • 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.
  • 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 41 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://ggtraff.ru/aws?keyword=download+mobile+legend+apk
    • https://cdn-cms.f-static.net/uploads/4479906/normal_5fa6437b41035.pdf
    • https://cdn-cms.f-static.net/uploads/4393189/normal_5f96bc0fedc83.pdf
    • https://cdn-cms.f-static.net/uploads/4367625/normal_5f8816c27080c.pdf
    • https://cdn-cms.f-static.net/uploads/4380857/normal_5f8be0ff108d1.pdf
    • https://cdn-cms.f-static.net/uploads/4377109/normal_5f8c5c552aa67.pdf
    • https://s3.amazonaws.com/zosevid/11656485561.pdf
    • https://s3.amazonaws.com/wotodedaruzuk/amino_acid_code_names.pdf
    • https://uploads.strikinglycdn.com/files/31f1911c-9eec-4590-bdc5-f655fe090056/char_broil_assembly_instructions.pdf
    • https://s3.amazonaws.com/nonabafat/sawodewofapipab.pdf
    • https://uploads.strikinglycdn.com/files/13f5e984-42b5-4dd9-9543-7f369e83b0ec/50263512725.pdf
    • https://uploads.strikinglycdn.com/files/97fae48b-af9a-4d94-83e2-d1f19e9c2aa7/tamugegujelagukefupoxoj.pdf

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