Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e1fc53f8f86f2b1…

MALICIOUS

PDF

34.8 KB Authoring application: OpenOffice Draw
MD5: 7756f705a7b06f0d29a2653a65423c99 SHA-1: ed233ca9603bdce4f1b21fda66a0a5b8573fa0b8 SHA-256: 2e1fc53f8f86f2b15100c9528fff0eeb5670ce2e504c0b61b156be9f7e37f136
120 Risk Score

Malware Insights

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

The PDF file was identified as malicious by ClamAV with the signature 'Pdf.Phishing.TtraffRobotInstall-7605656-0'. Static analysis revealed a large number of embedded external links, indicative of a link farm designed to redirect users to potentially malicious content. The heuristic 'PDF_SEO_LINK_FARM' specifically flags this behavior, suggesting the document's primary purpose is to distribute traffic to these linked sites, likely for phishing or malware delivery.

Heuristics 3

  • 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
  • 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://nomadicwellness.com/uploads/1/3/0/6/130620919/1505937.pdf
    • http://scrubs2love.org/uploads/1/3/0/6/130621963/5348554.pdf
    • http://app-solutely.biz/uploads/1/3/0/5/130589104/6908638.pdf
    • http://miamicellrepair.net/uploads/1/3/0/6/130639824/tidejivajawatom.pdf
    • http://raboj.cityglush17.icu/uploads/2020/01/28/vufuzanewegat.pdf
    • http://casbaad.it/uploads/1/3/0/7/130739573/nezajikisu-bikipisemi-nowevopin.pdf
    • http://faintingpixel.com/uploads/1/3/0/7/130739177/4bca89b.pdf
    • http://northwestkansas.net/uploads/1/3/0/7/130738946/3144e47346c08a7.pdf
    • http://beachhousemv.com/uploads/1/3/0/7/130776089/2ee12f9e.pdf
    • http://terriemckee.com/uploads/1/3/0/6/130605312/kavidasiligef.pdf
    • http://tcsonline.net/uploads/1/3/0/4/130476733/130476733.html#electrical+installation+risk+assessment+pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000013db.bin
62f36bd2f61edb3941787d338fc491365e224b26478759827d2cdaf358fa6127		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13DB 7664 bytes
font_01_sfnt_off00004c47.bin
e2f1373bf3d70a40ff4276a486f0a1d2d32154e4f45ad1243a44c3d3b7d91cea		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4C47 2652 bytes

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