Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e38ec1df77df41a…

MALICIOUS

PDF

35.0 KB Authoring application: PDF Studio
MD5: 1a7aac751046b0822106653ff1936476 SHA-1: e0774393a2a3ca75d3dec78ba7f66f1468fc3a00 SHA-256: 9e38ec1df77df41af6ec7ffcbe2355e43d71fa5b5c5d812280c99eddabe2e153
150 Risk Score

Malware Insights

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

The PDF was flagged by multiple heuristics, including ClamAV and an ML classifier, as malicious. The PDF_SEO_LINK_FARM heuristic identified a large number of external links, suggesting a phishing or malware distribution campaign. The document body contains garbled text and embedded URLs, further supporting the malicious intent. No scripts were extracted from this sample.

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://non-patentliterature.com/uploads/1/3/0/4/130483345/zoridivaritifenogura.pdf
    • http://servicepartnervanderveenassen.nl/uploads/1/3/0/4/130436037/kowosogurukawop-mekupi-timibavevoxu-bupixafepa.pdf
    • http://drbrettagrant.com/uploads/1/3/0/7/130738708/5deb9b.pdf
    • http://crystalcrones.com/uploads/1/3/0/5/130588282/wosodosoxowefitonop.pdf
    • http://marathonstories.com/uploads/1/3/0/5/130588575/404086.pdf
    • http://pagesustainability.com/uploads/1/3/0/2/130273893/5087d8b0b4.pdf
    • http://mynaturalplayce.org/uploads/1/3/0/3/130379769/pibeja_wufiduk.pdf
    • http://ntagent.com/uploads/1/3/0/6/130620804/4934741.pdf
    • http://stephenharrisonweb.com/uploads/1/3/0/3/130313484/nikixomo.pdf
    • http://kent-brushes.com/uploads/1/3/0/7/130776821/fabojajitin-kadekiwus-dijeki.pdf
    • http://peacesupportfund.org/uploads/1/3/0/6/130639903/lobubuma-lixubovas-finetudosufuv-tuvej.pdf
    • http://choose2cruiseadventures.voyagerwebsites.com/uploads/1/3/0/4/130435943/130435943.html#buffalo+wild+wings+draft+beer+list

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002f07.bin
8f65af62292437afb7ef82113baae61f78496a97ee4a02fa1840d595bd7abf9f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2F07 9164 bytes

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