Malicious PDF — malware analysis report

Static analysis result for SHA-256 dee22a8c588b631f…

MALICIOUS

PDF

34.6 KB Authoring application: Poppler-utils
MD5: f80561cec2cfac4cf7ed8a8b2748ca47 SHA-1: 13e6eaac5b1347d1369038aa5123cca22a18d534 SHA-256: dee22a8c588b631fc701c0f7d6fa7c9dd4a2ce81ba8a2a573269a65884d8509a
150 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including a critical PDF_SEO_LINK_FARM rule and ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0. The document body contains numerous embedded URLs pointing to external PDF files hosted on various domains. This indicates a likely phishing or malware distribution campaign, where the document serves as a lure to redirect users to malicious content.

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://motortrainingtotaal.com/uploads/1/3/0/5/130539046/9059401.pdf
    • http://yippeewebdesign.com/uploads/1/3/0/5/130539438/6512663.pdf
    • http://tudirul.idealica1.com/uploads/2020/01/28/7d2e53ac4.pdf
    • http://cornerstoneinsuranceservices.com/uploads/1/3/0/6/130604327/gubevub-ratoxudukawiwo.pdf
    • http://blitzthetraffickers.com/uploads/1/3/0/4/130488736/mafexixoseto.pdf
    • http://pxrministries.org/uploads/1/3/0/5/130588976/kazuve-mifenixuvasu.pdf
    • http://oahphx.com/uploads/1/3/0/3/130379777/3ed79fada70c0ee.pdf
    • http://lisathomascounselingcorner.com/uploads/1/3/0/6/130620560/zutikivo-zogigizulirilus.pdf
    • http://psychedynamic.com/uploads/1/3/0/2/130291592/mosamozaberezol.pdf
    • http://mindbodyconnectionmassagepilates.com/uploads/1/3/0/5/130540869/130540869.html#take+me+home+line+dance+step+sheet

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000126d.bin
4f9afab071291815fc10954b1f226af4d0d0e32482fab160c32eda7282cf0bcb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x126D 8704 bytes

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