Malicious PDF — malware analysis report

Static analysis result for SHA-256 9087fb186d4ea0da…

MALICIOUS

PDF

47.8 KB Authoring application: pstoedit
MD5: 5c8a3bad030786cf1b144df8a890458a SHA-1: f594601fd43c1d6ac392beefa1f7ca6cf3984ea1 SHA-256: 9087fb186d4ea0dac2a5adba88398f731cc08c70f5daf1d148fcd3c164876834
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various domains. ClamAV also detected this as Pdf.Phishing.TtraffRobotInstall. The embedded URLs suggest a phishing or SEO spam campaign, aiming to redirect users to potentially malicious content hosted across multiple sites. No scripts were extracted, limiting the analysis of direct execution capabilities.

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://revolution-coffee.net/uploads/1/3/0/4/130490808/negepofigo.pdf
    • http://churchillclubmedia.org/uploads/1/3/0/6/130621337/381012a64b8c.pdf
    • http://nybellhouse.com/uploads/1/3/0/6/130639426/fixamebe.pdf
    • http://customerexperienceworld.co.uk/uploads/1/3/0/2/130288329/zafutel.pdf
    • http://episcopalchurchmediator.com/uploads/1/3/0/4/130483603/28ed84cbbf.pdf
    • http://2chickschatabouteggs.com/uploads/1/3/0/3/130379213/xemeni_rebaru.pdf
    • http://mikeintucson.com/uploads/1/3/0/5/130550928/130550928.html#gaap+accounting+standards+list

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001067.bin
cdb38ce1ae947ac032eece791eba24f6b004e66b8ad990ff34659a1cf70d23de		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1067 8456 bytes

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