Malicious PDF — malware analysis report

Static analysis result for SHA-256 ed3736435f978314…

MALICIOUS

PDF

28.1 KB Created: 2021-06-01 06:33:04 UTC Authoring application: Softplicity First seen: 2026-04-07
MD5: 09ea3afdc4470c0023284a8be3376f3f SHA-1: 1ab55876fb676edbfe33191dd51e7f663d7dfac4 SHA-256: ed3736435f978314cd61bf99a637447c622ca3d189957dc59e86511de7d0e18c
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and presents itself as a 'Camera Manual And Instructions' to trick users into clicking a link. The critical heuristic 'SE_VIRAL_VIDEO_CLICKBAIT_LINK' indicates that the document links to a suspicious host, specifically http://ser.litd.icu/dls.php?q=Camera+Manual+And+Instructions, which likely serves as a downloader for a second-stage payload. No scripts were extracted, but the presence of suspicious URLs and the clickbait nature of the document body strongly suggest a malicious intent.

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/5260873/normal_60b521cd9d79f.pdf PDF link annotation
    • https://cdn-cms.f-static.net/uploads/5260856/normal_60b51d003a5a6.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/5261917/normal_60b5ad35a7311.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/5260874/normal_60b5193df408d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/5260869/normal_60b5181a9aa83.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/5260873/normal_60b5171076eef.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/5260828/normal_60b51d6a6d1c5.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/5260816/normal_60b517a6407ed.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/5261917/normal_60b5ae43dc40d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/5261917/normal_60b5b82fc6662.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/5261917/normal_60b5b863aa1f8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/5261917/normal_60b5b81cbca25.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/5261917/normal_60b5b87494a3b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/5261917/normal_60b5ac8c5be26.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/5261917/normal_60b5b186d40c3.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/5261917/normal_60b5b85245f5f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/5261917/normal_60b5b84181437.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/5260926/normal_60b522568e134.pdfIn PDF document text
    • http://ser.litd.icu/dls.php?q=Camera+Manual+And+InstructionsIn 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