Malicious PDF — malware analysis report

Static analysis result for SHA-256 4560e8b1afbc7a3e…

MALICIOUS

PDF

39.3 KB Authoring application: pdf-parser
MD5: 9abf4a0c3d7ba7fa89f5e62723637257 SHA-1: 826440a72b31863eda291b7016f627cecd120c11 SHA-256: 4560e8b1afbc7a3e5a68b9a3d4aaa3339089e2a6f8354e6b0fdd58419d5499fb
150 Risk Score

Malware Insights

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

The PDF file was identified as malicious by ClamAV and an ML classifier, with a critical heuristic firing for a link farm. The document body contains numerous embedded URLs, suggesting a phishing or redirection attempt. The primary attack pattern involves leveraging a large number of external links to potentially distribute malware or lead users to phishing sites.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://nysmaplepartridge.com/uploads/1/3/0/4/130483949/mobapajaromejazem.pdf
    • http://namiokcmetro.com/uploads/1/3/0/5/130588922/564530.pdf
    • http://ful.myagent.pro/uploads/2020/01/28/272cd07a72d0.pdf
    • http://nymanenterprises.net/uploads/1/3/0/6/130603944/33372d6b7b81e58.pdf
    • http://lota.banyacrm.ru/uploads/2020/01/29/9892566.pdf
    • http://gatewibogi.masternode-sc.com/uploads/2020/01/28/39118097e8b71.pdf
    • http://brownfencing.com/uploads/1/3/0/5/130551491/pakujego-jozax-dusafatipixun.pdf
    • http://doeslike.com/uploads/2020/01/28/ridonugem-vunuroxi.pdf
    • http://millerfamilylawn.com/uploads/1/3/0/6/130603698/82106705ab.pdf
    • http://theelfbox.com/uploads/1/3/0/8/130813301/130813301.html#chronic+kidney+disease+pathophysiology+diagram

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000011e7.bin
9aca1568d85a02a9661972c042595bcbc38c60ded3208cd93f1229be7a5a4acc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11E7 7768 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.