Malicious PDF — malware analysis report

Static analysis result for SHA-256 8d067292ac5f0b76…

MALICIOUS

PDF

36.4 KB Authoring application: PDFedit
MD5: 091bfff4bccc61cdece9cfc7abd7f91f SHA-1: 1dc7a7eb98e2ae8b2d1411c2929faf830de990ea SHA-256: 8d067292ac5f0b7669906c81203d6bf03313215eb1323a17c7123804222c5041
150 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs pointing to external websites, a technique often used for SEO manipulation or to host malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier output strongly indicate malicious intent. The document body, though heavily obfuscated, contains references to 'aliexpress dro', suggesting a potential lure for e-commerce related scams.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://themastectomystore.com/uploads/1/3/0/7/130739449/8051529.pdf
    • http://afp-mn.com/uploads/1/3/0/6/130639982/7800060.pdf
    • http://norcaladventurek9training.com/uploads/1/3/0/2/130287394/7389592.pdf
    • http://bayareaindustrialland.com/uploads/1/3/0/2/130272587/zopokadikovifatonutu.pdf
    • http://altdavos.club/uploads/1/3/0/7/130739142/wogoz.pdf
    • http://rakshitbuildtech.com/uploads/1/3/0/5/130552106/jowub.pdf
    • http://pacayas-farm.com/uploads/1/3/0/5/130538946/zefevipivazot.pdf
    • http://2950cordeliaroad.com/uploads/1/3/0/4/130483805/889299.pdf
    • http://parkandvinyl.com/uploads/1/3/0/6/130604179/mezobi_zivuvokib.pdf
    • http://dynamicsymmetryart.com/uploads/1/3/0/5/130542985/kegogegifagipadager.pdf
    • http://tejo.o-studia.ru/uploads/2020/01/27/7447213.pdf
    • http://seizediem.com/uploads/1/3/0/7/130738735/130738735.html#the+ultimate+guide+to+aliexpress+dro

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001274.bin
f483347a5e71b164397aeaab787a1e1dbb372d9774ba8885da4380600bbf6ed9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1274 8180 bytes

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