Malicious PDF — malware analysis report

Static analysis result for SHA-256 eb1410c55008e7b3…

MALICIOUS

PDF

41.1 KB Authoring application: PDFedit
MD5: 3d532cf53341050c5dbb78c7b8973db6 SHA-1: c6fae30004b51cc141f4be69042b14400e09196f SHA-256: eb1410c55008e7b3f3ba590c07ae5bee6d0c643e5cc923704041bc2701037b06
120 Risk Score

Malware Insights

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

The PDF contains a link farm designed to redirect users to external PDF files, as indicated by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection of 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or malicious redirection intent. The embedded URLs are likely part of this redirection scheme to deliver further malicious content.

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://caddielands.com/uploads/1/3/0/5/130543980/1196183.pdf
    • http://wob.design-interior.su/uploads/2020/01/28/6724685.pdf
    • http://pulseplay.net/uploads/1/3/0/5/130551746/fovugobakar.pdf
    • http://sos-1.com/uploads/1/3/0/5/130550868/tofolaraw.pdf
    • http://carlsbadmobiledetail.com/uploads/1/3/0/5/130589415/famelujunowijev_jubes_nagonawete.pdf
    • http://thyfaulttough.com/uploads/1/3/0/3/130313093/4474029.pdf
    • http://thehappygirlstore.com/uploads/1/3/0/6/130620921/130620921.html#history+of+caliphate+in+islam+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000110f.bin
e29dac023863e064911f24998effa98aa972408fcaa2d3fe91ecc785b40cd31e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x110F 8540 bytes

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