Malicious PDF — malware analysis report

Static analysis result for SHA-256 02f3ee9055e4db39…

MALICIOUS

PDF

32.2 KB Authoring application: LibreOffice Draw
MD5: 16aa9b68cbf6db8759531e6cbd22a39b SHA-1: b146cd95b92aa7fd8e22f93e64981a0391fdda52 SHA-256: 02f3ee9055e4db39873ce7d308f66e2e7aec7a3ff1e2a1851fa635a3b05fe033
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a large number of embedded links to external PDF files, indicating a link farm or redirection strategy. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware distribution. The embedded URLs are the primary indicators of compromise, pointing to potentially malicious content hosted on numerous domains.

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://ixayafoundation.org/uploads/1/3/0/5/130551890/22e3c68a831d66.pdf
    • http://cementfab.com/uploads/1/3/0/4/130488476/zanijusebuzus.pdf
    • http://beesbizz.com/uploads/1/3/0/6/130622023/dixunezu.pdf
    • http://smartfish.co.za/uploads/1/3/0/6/130621273/zodefenisetirov_vuditavevora_tolisekowasox_tisipivipaforop.pdf
    • http://ah-kine.com/uploads/1/3/0/7/130740461/3113247.pdf
    • http://cryptothermie.com/uploads/1/3/0/7/130739987/cd4044690ee.pdf
    • http://mrsmauck.com/uploads/1/3/0/2/130291975/zalubov_vasatiwozoba_zozefuwuwixix.pdf
    • http://srglasswarehouse.com/uploads/1/3/0/4/130477293/dagotudix.pdf
    • http://beautifultexas.net/uploads/1/3/0/8/130814931/nejowuje-tufidimipupax.pdf
    • http://accessdesigngroup.biz/uploads/1/3/0/6/130603807/penovaxekar.pdf
    • http://newerictex.com/uploads/1/3/0/6/130621127/wiliborino.pdf
    • http://jingcaijiangjin.br3h.com/uploads/1/3/0/6/130639027/130639027.html#docx+2+doc+converter+online

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000267d.bin
40f5c53c09112980c6fe78855a167eed9fc0447e9ca66cbd9afe95a01a301fc6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x267D 7980 bytes

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