Malicious PDF — malware analysis report

Static analysis result for SHA-256 204e6764f667816b…

MALICIOUS

PDF

39.2 KB Authoring application: Poppler-utils
MD5: 5247d37989957e103d5a7febcc4c733a SHA-1: 3ca6ada11637f7161f1f7b81226157815791a706 SHA-256: 204e6764f667816bb8a645cdfa2bb37be3fd768c1ba4c01bc589d2b21e02c791
120 Risk Score

Malware Insights

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

The PDF contains a large number of external links, identified as a 'PDF_SEO_LINK_FARM' heuristic, pointing to various domains. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further indicates a phishing or redirection intent. The embedded URLs are likely used to distribute further malicious content or lead users to phishing sites.

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://ashleighcrystal.com/uploads/1/3/0/4/130478261/5fed4d0.pdf
    • http://rogue-tshirts.com/uploads/1/3/0/5/130550749/nosajipukaz-xidejejobe-biwewipu-vefutevatufi.pdf
    • http://actingcoachlasvegas.com/uploads/1/3/0/4/130435785/wepogelatime.pdf
    • http://5thousandcleaningservices.ca/uploads/1/3/0/5/130550758/poxarunoduwor-vadojirejenok.pdf
    • http://chrissynoelkinslow.org/uploads/1/3/0/6/130621351/a71fe53b.pdf
    • http://djsacademy.com/uploads/1/3/0/2/130288316/130288316.html#acido+glutamico+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000011fa.bin
12fdd895155e1bf59a2ad4e2d95731fb657eb3f9a5dd28e8f616139c071e9f64		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11FA 10992 bytes

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