Malicious PDF — malware analysis report

Static analysis result for SHA-256 35b46656a5369c7c…

MALICIOUS

PDF

16.0 KB Created: 2020-11-05 10:42:42 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 88825fb04a8b4aa1436d8af18f46a2ea SHA-1: 2fdda8fa2cc1898d5c773405351dfebf6b15a271 SHA-256: 35b46656a5369c7cc68e9ea1a24df3276dbb000fd2c4dca030fed1bd517afb47
112 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file is identified as malicious due to its structure, which resembles an image-only lure with a clickable action. It contains a link to a known malicious redirector infrastructure at 'https://ttraff.me/123?keyword=fate+go+reroll+guide'. This suggests the document's primary purpose is to redirect the user to a malicious site, likely for phishing or to download further malware.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

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 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://ttraff.me/123?keyword=fate+go+reroll+guide
    • https://cdn-cms.f-static.net/uploads/4377902/normal_5fa037aacaacc.pdf
    • https://cdn-cms.f-static.net/uploads/4408713/normal_5f9e508a583ba.pdf
    • https://cdn-cms.f-static.net/uploads/4421036/normal_5fa3a47c7e189.pdf
    • https://cdn-cms.f-static.net/uploads/4368238/normal_5f895cbabf97a.pdf
    • https://cdn-cms.f-static.net/uploads/4377095/normal_5f9b99320a270.pdf
    • https://cdn-cms.f-static.net/uploads/4379846/normal_5fa256937f990.pdf
    • https://cdn-cms.f-static.net/uploads/4424378/normal_5f97a2e978b95.pdf
    • https://cdn-cms.f-static.net/uploads/4455894/normal_5fa2de4a9a9d4.pdf
    • https://cdn-cms.f-static.net/uploads/4369935/normal_5f88030526c09.pdf
    • https://cdn-cms.f-static.net/uploads/4387061/normal_5f8f67bfb79de.pdf
    • https://cdn-cms.f-static.net/uploads/4387928/normal_5f97cd2250e61.pdf
    • https://cdn-cms.f-static.net/uploads/4404524/normal_5f99bd23eb017.pdf
    • https://cdn-cms.f-static.net/uploads/4365620/normal_5f8747bd5fb78.pdf
    • https://cdn-cms.f-static.net/uploads/4385887/normal_5f9ca124e4258.pdf
    • https://uploads.strikinglycdn.com/files/8ed52c95-6d3b-4ce3-a456-ad26c958bc8b/40379004882.pdf
    • https://uploads.strikinglycdn.com/files/cd4c2869-1d77-4253-b060-1b020c350ffe/tomezodaroloserobenasezok.pdf

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