Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3feeb37f77b04b5…

MALICIOUS

PDF

83.8 KB Authoring application: Soda PDF
MD5: 2a2ee76d2cba73975949d13cd724acee SHA-1: a6d8b28ccdc4aa5879dca64896ceeb7135d61d48 SHA-256: d3feeb37f77b04b53ca246591febeffd72ab7ac8da1efcb5e219ea8d979d5c5d
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of external links, as detected by the PDF_SEO_LINK_FARM heuristic, pointing to various domains. The ClamAV detection and ML classifier strongly indicate malicious intent, specifically identified as phishing. The embedded URLs are likely used to redirect users to malicious sites for further exploitation.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://columbusliceremoval.com/uploads/1/3/0/6/130604022/vetevof.pdf
    • http://actorheadshotphoto.com/uploads/1/3/0/7/130776366/xizulawebe.pdf
    • http://nnoutt.com/uploads/1/3/0/2/130274109/sofixebesunojasemav.pdf
    • http://sophiacatalina.org/uploads/1/3/0/7/130739889/kovuzimutovagezonar.pdf
    • http://columbcillesporthorses.com/uploads/1/3/0/7/130738632/5767563.pdf
    • http://genreccatalogs.com/uploads/1/3/0/6/130604182/subabepole.pdf
    • http://studysmartedu.com/uploads/1/3/0/6/130639313/6477882.pdf
    • http://ms-holly-hagman.com/uploads/1/3/0/5/130551559/pudiwowejonurew-mopagalot-bobenosogaseto.pdf
    • http://muzo-emeralds.net/uploads/1/3/0/5/130539227/girigurakugisoru.pdf
    • http://www.combatrescueexperience.com/uploads/1/3/0/5/130540405/bekotikulo.pdf
    • http://wakeforestfarmersmarket.org/uploads/1/3/0/7/130775712/sikarawefunafuv.pdf
    • http://dalmatiansofkentucky.com/uploads/1/3/0/7/130776043/fefikisedidese.pdf
    • http://cbdonlywa.com/uploads/1/3/0/7/130776603/ruvezebubisa.pdf
    • http://thephapapp.com/uploads/1/3/0/4/130436096/5145d.pdf
    • http://tolhouse-design.com/uploads/1/3/0/7/130775368/nomojixi-gafaja-vesagopen.pdf
    • http://7levelselling.stefanaarnio.com/uploads/1/3/0/6/130604045/130604045.html#benefits+of+reading+aditya+hridaya+stotra

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000affd.bin
91cf9cd4efac8f69dcdf587659185da8236567bce3e9e4f6a5ecd944f50fae4f		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAFFD 1428 bytes
font_01_sfnt_off0000bb48.bin
d8ee9463de5a02e279db3bc9675a7471e1f6a230da0c0b2759f78e5de5d47718		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBB48 20612 bytes
font_02_sfnt_off0000f3f9.bin
fe52646f871a6eb9cf1de61a3c9796eb4ba2bc8960e3eb6871d8bedb5b662c09		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF3F9 6612 bytes

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