Malicious PDF — malware analysis report

Static analysis result for SHA-256 93543059521ef1e9…

MALICIOUS

PDF

49.2 KB Authoring application: ImageMagick
MD5: e42726b72a4e3933448c7c8918dc5d8e SHA-1: b055eddd3fc4eb86590578c0c417aa86da3cf883 SHA-256: 93543059521ef1e9b185d1bb958d0e3769bd5554670d217a0c4ab0940ca68496
152 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs, indicating a link farm strategy. ClamAV identified this as Pdf.Phishing.TtraffRobotInstall-7605656-0, suggesting a phishing or traffic redirection purpose. The ML classifier also strongly flagged this as malicious. No scripts were extracted, but the sheer volume of outbound links points to a malicious intent to redirect users.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.test2.ironcastlemarketing.com/uploads/1/3/0/2/130270863/lanofelowebaf.pdf
    • http://www.dr-eliza-j-beasley.com.au/uploads/1/3/0/4/130435562/suzenadirujegoz.pdf
    • http://perfectcreationsforyou.co.uk/uploads/1/3/0/6/130604309/1026182.pdf
    • http://chattanoogasoundmachine.com/uploads/1/3/0/6/130620836/5263794.pdf
    • http://cataniainunclick.com/uploads/1/3/0/6/130621477/6040183.pdf
    • http://shopsimplybundles.com/uploads/1/3/0/7/130775078/mafovomelidibozali.pdf
    • http://blacksmithspdf.com/uploads/1/3/0/3/130379575/5405341.pdf
    • http://enderman.org/uploads/1/3/0/5/130588489/c623e.pdf
    • http://broadweekendmba.com/uploads/1/3/0/5/130590122/mimubup.pdf
    • http://crystalbarryphotography.com/uploads/1/3/0/6/130604644/pasufezuvomujawo.pdf
    • http://munchie.store/uploads/1/3/0/5/130551089/2298401.pdf
    • http://natronacountyclassifiedprofessionalsassociation.org/uploads/1/3/0/6/130620280/424957.pdf
    • http://mail.cochranebmx.com/uploads/1/3/0/8/130813692/dd673d41c02.pdf
    • http://christinareid.net/uploads/1/3/0/6/130639377/zuzasunesu.pdf
    • http://vwlo3y.salon225.com/uploads/1/3/0/8/130873876/130873876.html#post+cardiac+arrest+care+icu

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006681.bin
8fb581194671d452fc8480014ade7e8f3d6f047d47e8d1dc594be11ef1474b96		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6681 8400 bytes

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