Malicious PDF — malware analysis report

Static analysis result for SHA-256 8f855630b2f63a40…

MALICIOUS

PDF

36.6 KB Authoring application: Solid Converter PDF
MD5: fbfa3fa2713400c1e78109e1c3decb57 SHA-1: bdd46c52f5940846fd6b34ed2c58d71a8ac283f1 SHA-256: 8f855630b2f63a4049ecdb13b21cbe474b97e4251ef8119b0fb7d94bfd2bd8ad
150 Risk Score

Malware Insights

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

The PDF contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm or redirection scheme. ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports a phishing or traffic-driving intent. The embedded URLs are likely used to distribute further malicious content or redirect users to phishing sites.

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://alexraco.org/uploads/1/3/0/2/130272477/c80191.pdf
    • http://pandalanguage.org/uploads/1/3/0/2/130271045/e1d45.pdf
    • https://wilarirezavik.weebly.com/uploads/1/3/0/5/130589137/letenij-susebomebawawop.pdf
    • http://nonakaconsulting.com/uploads/1/3/0/5/130540211/josurixafuvevixereva.pdf
    • http://cfg-ecommerce.com/uploads/1/3/0/5/130540458/6341987.pdf
    • http://costumiercollection.com/uploads/1/3/0/6/130620557/sunafizidagoz_mumodawipaba.pdf
    • http://laschober.net/uploads/1/3/0/5/130552106/201e7f0.pdf
    • http://nationalriskmanagementgroup.com/uploads/1/3/0/6/130639136/130639136.html#cover+letter+examples+student+internship

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001181.bin
215bf465392e35e8c28ef24e0f92427c13afcdfce268040640ea49c3aa9f2952		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1181 8216 bytes

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