Malicious PDF — malware analysis report

Static analysis result for SHA-256 89afeceef8d3eb06…

MALICIOUS

PDF

42.3 KB Authoring application: Scribus
MD5: 919088ffffb9c37569a944cf3c1bfcf4 SHA-1: 551701a7bdff58f3e1c02c014586d903b73b4d4e SHA-256: 89afeceef8d3eb069d12396a58177566752bcd9b2a7271ff307402dd8d4905cf
120 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains a large number of embedded links to other PDF files hosted on various domains, indicative of a link farm used for SEO manipulation or phishing. ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or malicious intent. The document body, though heavily obfuscated, contains references to 'Scribus' and 'Resumen del libro el alquimista de gualala', suggesting a lure to disguise the malicious nature of the links.

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://msxgear.com/uploads/1/3/0/4/130483629/voxave.pdf
    • http://yogaandtherapy.com/uploads/1/3/0/8/130813571/fefum.pdf
    • http://teamkelp.com/uploads/1/3/0/6/130639105/goxuxazi.pdf
    • http://cantortradegroup.com/uploads/1/3/0/6/130639368/1ebf720f5bcc69.pdf
    • http://umrcsalem.org/uploads/1/3/0/2/130289509/3309870.pdf
    • http://potcm.org/uploads/1/3/0/2/130289424/5465602.pdf
    • http://swyftct.com/uploads/1/3/0/6/130622049/fuxoporexusosabot.pdf
    • http://cherishedhomesllc.com/uploads/1/3/0/5/130588727/dd21c324e.pdf
    • http://qqblog.net/uploads/1/3/0/4/130491271/jusowaxaki.pdf
    • http://stpeterslittlebray.com/uploads/1/3/0/5/130588676/b21c12692.pdf
    • http://redeemeryouth.net/uploads/1/3/0/5/130588973/1392399.pdf
    • http://totallydreams.com/uploads/1/3/0/7/130775633/130775633.html#resumen+del+libro+el+alquimista+de+gualala

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004ec2.bin
4496ed498a2ae578fe854e8be15fd855f5e1e9af54bc9a85bd46c852e6efb8fa		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4EC2 8856 bytes

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