Malicious PDF — malware analysis report

Static analysis result for SHA-256 cad69a3c6b7c6944…

MALICIOUS

PDF

34.9 KB Authoring application: Soda PDF
MD5: 70489e099ee12df1ab7a090fade94265 SHA-1: 0c684dedd9b0754ea239bf297fa5fe11f3a53e71 SHA-256: cad69a3c6b7c694454845dce914122852fc8975d9e107c7c966163eb01620719
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 URLs, identified by the PDF_SEO_LINK_FARM heuristic, which point to other PDF files hosted on various domains. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further indicates a phishing or malicious distribution intent. The document body, though heavily obfuscated, contains references to downloading PDFs, reinforcing the lure.

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://cdl4dvd.com/uploads/1/3/0/5/130551559/77df0a.pdf
    • http://novel-furniture.in/uploads/1/3/0/6/130604731/15f145ac49e0a.pdf
    • http://oaespto.com/uploads/1/3/0/7/130740183/7781255.pdf
    • http://emaileducation.org/uploads/1/3/0/8/130873895/rabifabomakagatumav.pdf
    • http://www.lovinglaundryforhorses.com/uploads/1/3/0/7/130739590/tivewagerop_zadubenebidor.pdf
    • http://barneymcbarnface.com/uploads/1/3/0/6/130621734/7b9ce522b1.pdf
    • http://merryheartmother.com/uploads/1/3/0/2/130287893/9493276.pdf
    • http://betterburner.com/uploads/1/3/0/6/130620951/c3b8c2720a060e.pdf
    • http://proteam.org.uk/uploads/1/3/0/5/130539838/kodudebaxesowir_xudobevota_leguzad.pdf
    • http://austinbrunkhorsthomes.com/uploads/1/3/0/5/130589163/97603.pdf
    • http://guangzhouwenzhouyulecheng.br3h.com/uploads/1/3/0/7/130740437/xagexegipi.pdf
    • http://wolfecityhomecoming.com/uploads/1/3/0/4/130488493/130488493.html#book+introduction+to+agroforestry

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003273.bin
c4a803e93b02552966cf62a86f4bcc546818a59c9808b68df15e8e76f790a90d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3273 7524 bytes

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