Malicious PDF — malware analysis report

Static analysis result for SHA-256 68f55979d4302239…

MALICIOUS

PDF

18.6 KB Created: 2020-11-01 05:43:09 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 553874e017c416ad3970be7f0e4c4f13 SHA-1: 8233dcb4165595e9d3e046f6586f018106e85ae6 SHA-256: 68f55979d4302239b0db9b32f59ecb42fd3979d9ff784b957fa885689b222351
112 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as a malicious redirector link, likely intended as a phishing lure. The document is image-heavy and contains a clickable link that directs to `https://gettraff.ru/aws?keyword=formula+parse+error+l%25C3%25A0+g%25C3%25AC`, which is known malicious infrastructure. This suggests the primary goal is to redirect the user to a malicious site, potentially for credential harvesting or further malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9966

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 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=formula+parse+error+l%25C3%25A0+g%25C3%25AC
    • https://veraweno.weebly.com/uploads/1/3/0/7/130739577/wemuxozazel_bekeluzolemoj_wumedi_xofavuxaguvobu.pdf
    • https://cdn-cms.f-static.net/uploads/4423454/normal_5f9d00ab48905.pdf
    • https://cdn-cms.f-static.net/uploads/4402956/normal_5f94bb28cf69e.pdf
    • https://morekifozolil.weebly.com/uploads/1/3/4/3/134332894/8044964.pdf
    • https://cdn-cms.f-static.net/uploads/4368224/normal_5f90c93df40b7.pdf
    • https://cdn-cms.f-static.net/uploads/4392452/normal_5f8eb3ef34790.pdf
    • https://s3.amazonaws.com/subud/logical_and_analytical_reasoning_questions_for_class_5.pdf
    • https://s3.amazonaws.com/simujix/dss_office_sioux_falls_south_dakota.pdf
    • https://uploads.strikinglycdn.com/files/e98fd159-2075-4181-954e-9b908266b4f6/95963231105.pdf
    • https://cdn.shopify.com/s/files/1/0268/7700/1902/files/11311516103.pdf
    • https://cdn.shopify.com/s/files/1/0501/6679/2357/files/16799331130.pdf

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