Malicious PDF — malware analysis report

Static analysis result for SHA-256 6d2b9eeb740d4727…

MALICIOUS

PDF

38.4 KB Authoring application: OpenOffice.org
MD5: fca14b1b26cacf38473e62a27b421671 SHA-1: 67c07b342bd1676b909fc44ce6123b3555d3081d SHA-256: 6d2b9eeb740d4727c0febfad6af528e69f406fb257463e85181fffcc395d4864
152 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded URLs, many of which point to other PDF files, suggesting a link farm designed to distribute malicious content. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier further indicate malicious intent. The document body, while containing obfuscated text, includes references to Apex Legends and embedded URLs, reinforcing the phishing lure.

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://ptolemarch.net/uploads/1/3/0/6/130604730/nolavuw_pewujuzawozas_dupula_tufirizun.pdf
    • http://mochapterseven.com/uploads/1/3/0/2/130291438/1457012.pdf
    • http://mindbodymovementarts.com/uploads/1/3/0/6/130620389/poriz_pagojifebized.pdf
    • http://nowmetoo.com/uploads/1/3/0/4/130477085/1660508.pdf
    • http://bravohobby.com/uploads/1/3/0/4/130476148/d650eebec9ca687.pdf
    • http://jasminenjuniper.com/uploads/1/3/0/5/130588336/d9bfb33cb37.pdf
    • http://gemalchemist.com/uploads/1/3/0/6/130605519/jesinifasim.pdf
    • http://iamthemuseum.com/uploads/1/3/0/5/130590203/8093917.pdf
    • http://blockchainambassador.ca/uploads/1/3/0/4/130435888/130435888.html#caustic+apex+legends+guide

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000011c4.bin
a1c83f80288436d6e7f732db36beba04ae3ed0c1aa231efec9d7b6291b6561ce		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11C4 8928 bytes

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