Malicious PDF — malware analysis report

Static analysis result for SHA-256 9757ac2b42b3b076…

MALICIOUS

PDF

38.2 KB Authoring application: Solid Converter PDF
MD5: 598ae91a31d23fd64c330a344317e2cf SHA-1: 99727f83890b92dff1a7e2f6f419674e697656d0 SHA-256: 9757ac2b42b3b076394cda624269e9d645ae932bd1f495c2d645d2b8ffe60a86
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, as indicated by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a coordinated effort to distribute malicious content or conduct phishing. The ClamAV detection further supports the malicious nature of the file. No scripts were extracted from this sample.

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://tiffanythetherapist.com/uploads/1/3/0/5/130590658/sukuvoxavowogi.pdf
    • http://kvoma.ru/uploads/2020/01/28/tanolofin.pdf
    • http://necroscape.com/uploads/1/3/0/6/130639583/zigob_goditowajurosiv_vanokigurepijuf.pdf
    • http://tabernacleoffaithbaptistchurch.com/uploads/1/3/0/6/130620877/mujidewaji_golulonexarun.pdf
    • http://stellarconcessions.com/uploads/1/3/0/6/130621025/zelag.pdf
    • http://minniecandiepies.com/uploads/1/3/0/6/130639526/9503007.pdf
    • http://sanjoselimo.net/uploads/1/3/0/6/130639747/9413581.pdf
    • http://myeclecticyoga.com/uploads/1/3/0/3/130313405/pakupebal_xopebalukopezux_tefawulif.pdf
    • http://hipsterleaks.com/uploads/1/3/0/8/130813818/130813818.html#mrs+american+pie+chords

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000011e7.bin
1ceaa6e35a6085b0e290edd9f2c5dfa9910d5063525757589b0951f165c0030e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11E7 8368 bytes

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