Malicious PDF — malware analysis report

Static analysis result for SHA-256 c4d82e21cf1b4327…

MALICIOUS

PDF

37.7 KB Authoring application: pstoedit
MD5: 437553d11b9f726005cfb31a84234874 SHA-1: f5d578e8d8559ae79eda22da0873018f95016f4d SHA-256: c4d82e21cf1b4327b550cc48dc6da49e72a4ec50b4b460b4e28336ef8dfe069d
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious File

The PDF file contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to other PDF files hosted on various domains, suggesting a phishing or malware distribution campaign. The ClamAV detection of 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports this assessment. The document body, though heavily obfuscated, contains some of the URLs, reinforcing the link farm attack pattern.

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://restorationexpeditions.com/uploads/1/3/0/2/130289443/3091712.pdf
    • http://mothusi.com/uploads/1/3/0/7/130775858/7617738.pdf
    • http://bsgfinancial.com/uploads/1/3/0/6/130604604/478638.pdf
    • http://newstechnology.tech/uploads/1/3/0/8/130874258/e6627a830.pdf
    • http://webmail.7devilsbrewery.com/uploads/1/3/0/5/130539926/xokumavosa-pilafasuniwejik-vefojopim.pdf
    • http://southperthbaptist.org/uploads/1/3/0/7/130776026/pudit.pdf
    • http://enamelchannel.com/uploads/1/3/0/6/130604896/7999204.pdf
    • http://spectrarte.com/uploads/1/3/0/5/130551390/7999978.pdf
    • http://nahwahlacrosse.com/uploads/1/3/0/8/130874382/9349297.pdf
    • http://bladescommerciallawncare.com/uploads/1/3/0/7/130776100/49d1c436439.pdf
    • http://estudiorins.net/uploads/1/3/0/4/130489020/mofanizupevobigezisa.pdf
    • http://masalanproject.com/uploads/1/3/0/5/130547552/d0fc56533c75b7f.pdf
    • http://danielgordon.com/uploads/1/3/0/6/130604105/947438.pdf
    • http://ljrmi.com/uploads/1/3/0/6/130621918/515a2e480.pdf
    • http://bambusaglobal.com/uploads/1/3/0/3/130379381/bowewulefamopoma.pdf
    • http://reverifications.co.uk/uploads/1/3/0/6/130639630/zezanifusoro.pdf
    • http://drobgyn.net/uploads/1/3/0/6/130605331/130605331.html#anatomy+of+human+organs+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000383d.bin
a09970e0439649c7380b7cc1e089fefe9e3ed14ca726c0a4e836d02eb485d6cf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x383D 7836 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.