Malicious PDF — malware analysis report

Static analysis result for SHA-256 2065c5732ae0edb7…

MALICIOUS

PDF

35.1 KB Authoring application: pdf-parser
MD5: be45c784c3a76626081f8cae306f93b3 SHA-1: 9edc6f3a1e9dc96c309b43df48c22200e710983d SHA-256: 2065c5732ae0edb7d2b5ee12c150dc2e35a1dfdd927c1d0e5de50c88098d91b5
150 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 link farm, pointing to other PDF files hosted on various domains. This technique is commonly used for phishing or to redirect users to malicious content. ClamAV detected this file as 'Pdf.Phishing.TtraffRobotInstall-7605656-0', further supporting a phishing or malicious redirection intent. No scripts were extracted from this sample.

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://whitewatermark.com/uploads/1/3/0/6/130620184/razuvuxe-vifosasi-zoreduraxixel-lidojitemejexux.pdf
    • http://noddfw.com/uploads/1/3/0/5/130544694/a105d96ce14.pdf
    • http://artofmoses.com/uploads/1/3/0/7/130739204/vaxekoles_monosofaxaxun.pdf
    • http://discountductcleaning.com/uploads/1/3/0/8/130813757/5e213.pdf
    • http://maisonsalon.com.au/uploads/1/3/0/3/130313173/josizari.pdf
    • http://shoptrueblessings.com/uploads/1/3/0/2/130272644/9207491.pdf
    • http://golfbravobravo.com/uploads/1/3/0/3/130379596/507a9e0405.pdf
    • http://www.gmextech.com/uploads/1/3/0/4/130483862/gafevo_xujes_zanegapig_tupomadewerok.pdf
    • http://photolenka.com/uploads/1/3/0/4/130488934/3d4a9a7de7f.pdf
    • http://thefunyips.com/uploads/1/3/0/3/130323141/fce4af8093733.pdf
    • http://gilligirl.com/uploads/1/3/0/5/130590482/fixavogifo_gogorusadu.pdf
    • http://syxgems.org/uploads/1/3/0/2/130288465/roguzuwawiput.pdf
    • http://ogc.devsite-1.com/uploads/1/3/0/7/130775772/130775772.html#aeneid+books+4-6+summary
    • http://thefunyips.com/uploads/1/3/0/3/13032

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000335a.bin
311ae50bda75973c7e520b1fe17a2fd14b8837ead31a9cd950bea6200002ebf2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x335A 7200 bytes

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