Malicious PDF — malware analysis report

Static analysis result for SHA-256 8a144d96e3094708…

MALICIOUS

PDF

53.1 KB Authoring application: Adobe PDF Library 9.0
MD5: 893807ec153f7c12a6aa707c9abbc3da SHA-1: 224aeaa9ad93c3f13cb3223a985181b7165d1321 SHA-256: 8a144d96e3094708e6cae82ef6f6116c017327019906edd985975ad1f44efc51
120 Risk Score

Malware Insights

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

The PDF file was flagged by ClamAV as Pdf.Phishing.TtraffRobotInstall-7605656-0. Static analysis revealed a large number of embedded external links, with the primary host being 'mymassagedude.com'. The document body contains a mix of obfuscated text and URLs, reinforcing the phishing or malware distribution intent. The presence of numerous links suggests a strategy to maximize the chances of a user clicking on a malicious destination.

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://mymassagedude.com/uploads/1/3/0/4/130477719/fanedidogaxo_jikititemul_nufokenubul.pdf
    • http://mhballhockey.com/uploads/1/3/0/5/130550882/c959d1e5c11671b.pdf
    • http://nirvanatails.biz/uploads/1/3/0/6/130604264/ginij.pdf
    • http://mooreabluediving.weebly.com/uploads/1/3/0/4/130435922/jevomak.pdf
    • http://napervillecarpetclean.com/uploads/1/3/0/3/130323968/130323968.html#honor+8+specs

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000010c1.bin
275a3030a96d2a1387e80b18d7c4e685034192993db0662a4a903644e35e76a6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10C1 10000 bytes
font_01_sfnt_off00007150.bin
d907c570f1f8f2d62f38d7529dbf77de46ca3a1917ec53aca7a78bae59874b04		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7150 2616 bytes
font_02_sfnt_off000079c2.bin
0a8651204712d77b3df8786b20c09d46779fa8f6890d30c9d9c12e9401afa574		 pdf-font-stream PDF embedded font (sfnt) at offset 0x79C2 4152 bytes
font_03_sfnt_off0000867d.bin
6bab635a412f8f5b10e2efcce48d0ed95706fbc73ccb63fe6abac7fa4374669d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x867D 17020 bytes

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