Malicious PDF — malware analysis report

Static analysis result for SHA-256 b580d4ddef72b85f…

MALICIOUS

PDF

18.6 KB Created: 2020-11-04 15:19:30 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5014424ceefce92016fa14871111f160 SHA-1: 92416e3acc4eff6f8f59dbdfd57437f55e80e227 SHA-256: b580d4ddef72b85fdd9beebcafbf7a1c976969cd4c980d2ed97d7bf18e7574eb
172 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is an image-based lure, typical of phishing campaigns, designed to trick users into clicking a link. The primary link, 'https://gettraff.ru/aws?keyword=download+nba+2k13+crack+pc', suggests a lure for cracked software, which often leads to malware. The document also contains a mass of external PDF links, likely for SEO manipulation or to distribute further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9968

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 18 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/aws?keyword=download+nba+2k13+crack+pc
    • https://cdn-cms.f-static.net/uploads/4367648/normal_5f91c8900a6c8.pdf
    • https://cdn-cms.f-static.net/uploads/4449602/normal_5f9f44433c314.pdf
    • https://duzozerijadid.weebly.com/uploads/1/3/4/4/134493401/2525030.pdf
    • https://cdn-cms.f-static.net/uploads/4370299/normal_5f8a0852cc78d.pdf
    • https://uploads.strikinglycdn.com/files/ea90a1ee-371e-4f59-806b-f58c53598393/taxakufewebo.pdf
    • https://uploads.strikinglycdn.com/files/5aa2d2b3-1904-4cd9-8499-5668c98acae0/tevaletaxenumibotovumif.pdf
    • https://uploads.strikinglycdn.com/files/d93d8e0d-f576-4565-aa7a-7c170ba12555/kill_box_rimworld.pdf
    • https://s3.amazonaws.com/pazifetanegapu/24944970369.pdf
    • https://cdn.shopify.com/s/files/1/0504/5226/7168/files/84848305357.pdf
    • https://s3.amazonaws.com/banula/49839566155.pdf
    • https://uploads.strikinglycdn.com/files/7fe4e35f-b15c-47a2-8d77-2787ece7ebf3/dojedoboxubu.pdf
    • https://s3.amazonaws.com/jedaxopopuko/vizio_soundbar_with_subwoofer_manual.pdf

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