Malicious PDF — malware analysis report

Static analysis result for SHA-256 3e4175ed6bc5a884…

MALICIOUS

PDF

36.0 KB Authoring application: GIMP
MD5: 347a172b0c04f1605ab124b34f7c0198 SHA-1: 06ae5f0b379f54784dcb955937b2eead0e123397 SHA-256: 3e4175ed6bc5a884dafd7f55b6480742482ff989d322b41c82fff758378d720b
150 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to other PDF documents, a technique often used for SEO manipulation or to distribute further malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent. The document body text is largely unreadable, but the presence of the link farm is the primary indicator of the attack pattern.

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://rockbalancemeditation.com/uploads/1/3/0/6/130639123/b88efbdcd.pdf
    • http://74-123-75-123.mgwnet.com/uploads/1/3/0/6/130639055/mulisuduluderas.pdf
    • http://saveourgame.org/uploads/1/3/0/2/130288333/79e43.pdf
    • http://www.thebestflooringsolution.com/uploads/1/3/0/6/130621844/3756004.pdf
    • http://dietzart.com/uploads/1/3/0/7/130775462/zagapagokibisuxi.pdf
    • http://iwannapc.com/uploads/1/3/0/8/130814343/linaviwed-xogejefetavu.pdf
    • http://blubloggs.com/uploads/1/3/0/7/130775259/nanaxover.pdf
    • http://shudit.club/uploads/1/3/0/6/130605104/samariro_bafapabixu_tavejaza.pdf
    • http://clevelandhomeinspectionsllc.com/uploads/1/3/0/7/130739923/9bf74d8.pdf
    • http://goatsgaloreboergoats.com/uploads/1/3/0/4/130489102/2158718.pdf
    • http://sindikat.space/uploads/1/3/0/5/130539205/dimerit-karepexemix-nutupugutevox.pdf
    • http://youtubevideoindir.club/uploads/1/3/0/5/130545480/vijaxibefijib.pdf
    • http://duncandavis.com/uploads/1/3/0/4/130489080/defidazamokekuxi.pdf
    • http://rimfoundation.net/uploads/1/3/0/5/130588548/zupis.pdf
    • http://newbraunfelsmasonry.com/uploads/1/3/0/4/130435638/wijokorodap.pdf
    • http://www.fightyourspeedcameratrafficticket.com/uploads/1/3/0/2/130271017/6525335.pdf
    • http://pitkulup.net/uploads/1/3/0/7/130775845/687955.pdf
    • http://www.northoftime.com/uploads/1/3/0/3/130380037/9624593.pdf
    • http://61005.brdge.org/uploads/1/3/0/5/130551137/130551137.html#jange+ohad+ka+waqia

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002ecf.bin
ff6d00736ea21ea9b5f76caaa0e0b36a970d42b655aa3c1f7e61d89f98ff50b4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2ECF 7952 bytes

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