Malicious PDF — malware analysis report

Static analysis result for SHA-256 54bfbe4c0b967661…

MALICIOUS

PDF

43.0 KB Authoring application: Soda PDF
MD5: 038c4c3d81a359bdb628a76bc38426a4 SHA-1: c8965a4ffce90457193c7b12511bb0ea5bb8e323 SHA-256: 54bfbe4c0b967661f6c2c9902f1d73a40858308c05dc5a80e23ab5642237e53e
150 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, a technique commonly used in SEO poisoning and phishing attacks to redirect users to malicious sites. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier output strongly indicate malicious intent. The document body, though partially corrupted, contains references to coffee grinders and Adobe, potentially serving as a lure. The embedded URLs are the primary indicators of the attack's redirection mechanism.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

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://herrmansexcavating.com/uploads/1/3/0/2/130274098/jafowozipesod.pdf
    • http://bewellmindset.org/uploads/1/3/0/4/130483973/18e4b.pdf
    • http://archisdesign.net/uploads/1/3/0/6/130639226/643427.pdf
    • http://rodgersandcoonline.com/uploads/1/3/0/5/130588492/130588492.html#which+coffee+grinder+for+espresso

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00000fdd.bin
0532575a091abd41d169c796e584939175e5633c7bcf41fee0ae3fa88b4ec2de		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFDD 8880 bytes

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