Malicious PDF — malware analysis report

Static analysis result for SHA-256 535cb0d9fb90e717…

MALICIOUS

PDF

43.5 KB Authoring application: Solid Converter PDF
MD5: 3da76b7b7a63f92240fda829b8b72229 SHA-1: 674ca4226a6d3a92abe2a689b06d954bc8abadbf SHA-256: 535cb0d9fb90e717be889b562197c26c9073c4a1f13fdb81d73580f376fbf76d
120 Risk Score

Malware Insights

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

The PDF file was detected by ClamAV as 'Pdf.Phishing.TtraffRobotInstall-7605656-0', indicating a phishing or traffic redirection purpose. The heuristic 'PDF_SEO_LINK_FARM' confirms the presence of numerous external links, many of which are embedded within the document body. These links likely serve to distribute malicious content or phish for user credentials.

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://formavote.com/uploads/1/3/0/6/130639933/kezowu-jubesube-zenazumogabapa.pdf
    • http://reelectjudgetabbey.com/uploads/1/3/0/4/130489229/016516a6b.pdf
    • http://meresoft.net/uploads/1/3/0/4/130476859/xexetisituxumopo.pdf
    • http://p4partyproductions.com/uploads/1/3/0/2/130271226/23dd22602ed054.pdf
    • http://beachclubproductions.net/uploads/1/3/0/4/130483697/pejex_zazinani.pdf
    • http://5pointauto.com/uploads/1/3/0/3/130312920/130312920.html#coelom+and+coelomoducts

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000010a8.bin
729d22763eb08c049c6edf4f0eed5a82e217237e2d55d5455ab4865a4fc67846		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10A8 8172 bytes
font_01_sfnt_off000059b2.bin
63f5e27ee3d24cc00d413e59c301cc73ab377383609796993547673f2bea898c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x59B2 2600 bytes
font_02_sfnt_off0000625d.bin
c5542c48a14d67f4a5a6125a3510f78651be8e897ce596a3d7d0711c6a30ad40		 pdf-font-stream PDF embedded font (sfnt) at offset 0x625D 16332 bytes

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