Malicious PDF — malware analysis report

Static analysis result for SHA-256 af28a753d8bc947d…

MALICIOUS

PDF

28.3 KB Created: 2021-05-30 09:10:03 UTC Authoring application: Softplicity First seen: 2026-06-21
MD5: 695276043998ba18295870ab19e0e480 SHA-1: ee7cd8a317c3099dc654499c932954117c2a88e6 SHA-256: af28a753d8bc947d068a59c833ca565d9746c3043246a48dc2f605ccf8321368
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and a document body that mimics a product manual, likely as a lure to trick users into clicking a link. The critical heuristic 'SE_VIRAL_VIDEO_CLICKBAIT_LINK' indicates the primary URL is designed to be suspicious and lead to a download. Although no scripts were explicitly extracted, the PDF structure and embedded URLs suggest an attempt to initiate a download, likely a second-stage payload.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3249

Heuristics 4

  • Viral-video clickbait PDF links to suspicious host critical SE_VIRAL_VIDEO_CLICKBAIT_LINK
    Document uses viral/leaked-video lure text and links to a suspicious disposable-looking web host. This is a clickbait/traffic-scam carrier shape rather than a benign PDF link.
  • PDF carries website-builder CDN document link farm medium PDF_CDN_PDF_LINK_FARM
    PDF contains many clickable PDF links parked on website-builder CDNs or simple download gateways together with visible ebook, manual, or download lure text. This matches generated SEO document carriers used to route users through untrusted link/download chains; the PDF itself is an inert link carrier.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://cdn-cms.f-static.net/uploads/5251651/normal_60b0348301a05.pdf PDF link annotation
    • https://cdn-cms.f-static.net/uploads/5251567/normal_60b034dacc70e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/5257151/normal_60b3399dd197f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/5251651/normal_60b03d90ab971.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/5251568/normal_60b032cf7afe9.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/5251651/normal_60b03de721ba8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/5251587/normal_60b03965d17e8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/5251651/normal_60b038649d8fd.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/5257151/normal_60b331a02c4da.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/5257151/normal_60b33a0c4db1a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/5257151/normal_60b33a1cea138.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/5257151/normal_60b339fbb9f0b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/5257151/normal_60b33a3e9734f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/5257151/normal_60b334e1111c7.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/5257151/normal_60b3365cc41b4.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/5257151/normal_60b339ebb4a56.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/5257151/normal_60b33a2e98f68.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/5251568/normal_60b032ab646a1.pdfIn PDF document text
    • http://mig.litd.icu/dls.php?q=Bloggie+Mhs+Ts20+ManualIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
🗂 Part of campaign: f-static.net 14 samples