Malicious PDF — malware analysis report

Static analysis result for SHA-256 8ba3a3a91417b4cd…

MALICIOUS

PDF

35.8 KB Authoring application: Nitro PDF
MD5: 5798ac7bf9b2f05683369c329aeeda67 SHA-1: fb8eb66481134e588ffe055f1e0d098fa640f55a SHA-256: 8ba3a3a91417b4cd4627912a77068a1024fad0d2a47bb32d42b99073e902a05b
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of external links, as indicated by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, all structured similarly with numeric slugs and file extensions, suggesting a coordinated effort to distribute malicious content. The ClamAV detection further confirms the malicious nature of the file, classifying it as Pdf.Phishing.TtraffRobotInstall. The embedded URLs are the primary indicators of compromise, likely serving as lures or redirects to phishing sites or malware downloads.

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://pagecontact.online/uploads/1/3/0/2/130288468/3349519.pdf
    • http://northeastmaterials.com/uploads/1/3/0/6/130639062/kupovimu-powulexomova-wiwuzomaka.pdf
    • http://phorion.com/uploads/1/3/0/3/130379193/finazagibiz.pdf
    • http://jeanniehouchins.com/uploads/1/3/0/4/130483825/8448309.pdf
    • http://anderson-hammond.com/uploads/1/3/0/4/130491444/riwumigefereruruf.pdf
    • http://inafip.org/uploads/1/3/0/4/130475909/2c78f.pdf
    • http://foothillsbiblefellowship.com/uploads/1/3/0/5/130589166/130589166.html#adverbial+phrases+of+time+and+place

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000010e6.bin
cdd07178e204bb7d42744219cdbe99bae52750f9643b3a85fbb00c616e0d2f75		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10E6 8220 bytes

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