Malicious PDF — malware analysis report

Static analysis result for SHA-256 c570001031d194e7…

MALICIOUS

PDF

35.8 KB Authoring application: Serif PagePlus
MD5: 9aa2137c0f3eb2e7fd6ee28138f11e5d SHA-1: 22d0584743999cd38d45d101247456c0768c22e0 SHA-256: c570001031d194e7c6cee04b6c5526d7b364c6092b9b1347ca4718b0e5758c5b
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file exhibits characteristics of a link farm, embedding numerous external URLs. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the 'SE_PASSWORD_ARCHIVE_LURE' heuristic suggest this PDF is part of a phishing or redirection scheme, likely intended to lead users to malicious content or downloads. The document body itself is heavily corrupted and unreadable, providing no direct clues to its intent.

Heuristics 4

  • 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.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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 http://neighborhoodpage.com/uploads/1/3/0/7/130739557/121083.pdf
    • http://beebrighthives.com/uploads/1/3/0/7/130739633/10be5fb712893c.pdf
    • http://24shhopp01.fun/uploads/2020/01/28/zolowuxukitivineret.pdf
    • http://triosreadydentallaboratories.com/uploads/1/3/0/2/130288361/nesiwovixomovazom.pdf
    • http://studioviemen.com/uploads/1/3/0/5/130590458/detulekitunu.pdf
    • http://teratype.net/uploads/1/3/0/3/130379218/1523640.pdf
    • http://mhessential.net/uploads/1/3/0/5/130588712/lagibunolu.pdf
    • http://angellameanix.co/uploads/1/3/0/2/130270833/130270833.html#is+abstract+class+have+constructor

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001168.bin
f97ee13abfd783b18d28801e162b795c97bb93df408b46ce6774db0421fe192d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1168 8264 bytes

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