Malicious PDF — malware analysis report

Static analysis result for SHA-256 0fc01b8e974e579d…

MALICIOUS

PDF

34.8 KB Authoring application: Soda PDF
MD5: cd7f1d12570a0d5f6f17c7f4fc8345c3 SHA-1: e097574d8aa9f0102f1b3c8ab54dd128f8cf6c8d SHA-256: 0fc01b8e974e579dd8e0c2bdd223fc02dced3a61cbe933da7946c21902f76320
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF document contains a large number of embedded links to external PDF files, a technique often used for SEO poisoning or to redirect users to malicious sites. The ClamAV detection and ML classifier strongly indicate malicious intent, specifically related to phishing or botnet activity. No scripts were extracted, but the sheer volume of linked PDFs suggests a coordinated effort to distribute malicious content or traffic.

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://sophieleblancvisualmedia.com/uploads/1/3/0/3/130323298/6263398.pdf
    • http://www.3girlscraft.com/uploads/1/3/0/7/130775723/senalojadutirisove.pdf
    • http://evangeliointeractivo.com/uploads/1/3/0/2/130289363/9260774.pdf
    • http://thinkmundo.com/uploads/1/3/0/6/130639162/webekowavep.pdf
    • http://www.autowoodgrainbysigman.com/uploads/1/3/0/2/130289583/e735f8476ba.pdf
    • http://divineplaywithkat.com/uploads/1/3/0/8/130815228/rizerod-tetuximive-ripiniguzeb.pdf
    • http://minipuke.com/uploads/1/3/0/3/130379213/kikiwenobudomam.pdf
    • http://www.socialmediafacts.org/uploads/1/3/0/2/130270907/1b9376af3df.pdf
    • http://childrensxmasparty.fun/uploads/1/3/0/3/130313484/veketekagenoko_xunan_wojijutuxep.pdf
    • http://www.carrenmarvin.com/uploads/1/3/0/7/130776562/nudarubagexik.pdf
    • http://host104.carmichaelnl.com/uploads/1/3/0/2/130273584/130273584.html#free+halloween+coloring+pages+for+kindergarten

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000330f.bin
8214b7903b14aff3d31e9f4a6fddfc84e3ee98c6341b357524e61ce8cf9bb8cd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x330F 7480 bytes

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