Malicious PDF — malware analysis report

Static analysis result for SHA-256 588d844125eaeceb…

MALICIOUS

PDF

76.9 KB Authoring application: PDFBox
MD5: b85cdcb99d3efb4254954548a7b2a1bb SHA-1: 84b3c21cb8149ddb820ab4ccb947ec480c174922 SHA-256: 588d844125eaeceb7266fc19eacb083644a11e849305909c502284807e62e53a
150 Risk Score

Malware Insights

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

The PDF contains a large number of external links, a technique often used for SEO manipulation or to redirect users to malicious sites. ClamAV identified this as 'Pdf.Phishing.TtraffRobotInstall-7605656-0', indicating a phishing or traffic-generating purpose. The embedded URLs are the primary indicators of compromise, suggesting the document's intent is to drive traffic to these external resources.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://www.colorobstaclerush.eu/uploads/1/3/0/8/130874211/kizafuvu.pdf
    • http://rocktherun4mda.com/uploads/1/3/0/5/130540868/0cf60aa.pdf
    • http://3rivers.com.au/uploads/1/3/0/4/130477663/tekemunojo.pdf
    • http://lovellabridal.net/uploads/1/3/0/7/130739101/talikotiluvaloxel.pdf
    • http://www.garrisonnddetail.com/uploads/1/3/0/2/130270866/8bf9ded5e9786.pdf
    • http://norselandmedal.com/uploads/1/3/0/2/130289652/a3d17c011a8.pdf
    • http://www.allseriescloud.com/uploads/1/3/0/3/130313027/884890.pdf
    • http://wertefragen.de/uploads/1/3/0/6/130620672/batefaborupozuw.pdf
    • http://joyceandcraig.com/uploads/1/3/0/3/130323632/muvun.pdf
    • http://kigglerplays.com/uploads/1/3/0/8/130815026/1ff1c.pdf
    • http://andreartwork.com/uploads/1/3/0/6/130621200/dadukezasexeveg.pdf
    • http://m.kotihoitolakolibri.fi/uploads/1/3/0/8/130813548/batafanebapel-lawomekat.pdf
    • http://motherlandseed.com/uploads/1/3/0/6/130639719/c82dba01b990f5.pdf
    • http://tamarackvalleyfarm.com/uploads/1/3/0/2/130288316/duxaxo_gaxozaka_tegofupeze.pdf
    • http://myytr.net/uploads/1/3/0/3/130379342/130379342.html#aeneid+translation+book+10
    • http://m.kotihoitolakolibri.fi/uploads/1/3/0/8/130813548/batafanebapel-

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000258b.bin
b1927512cc8d531c0370ca2fc4961fbec46fc5c820b014c99afa33ad5776df15		 pdf-font-stream PDF embedded font (sfnt) at offset 0x258B 8252 bytes

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