Malicious PDF — malware analysis report

Static analysis result for SHA-256 323b56e632e45876…

MALICIOUS

PDF

44.2 KB Authoring application: pdf-parser
MD5: 01a96b3ebdb03a81c9e3f787df98e085 SHA-1: 41bb323257d8da24e626ee6c9a5ba8469a586951 SHA-256: 323b56e632e45876ca622f49865e89ddcedaf421fbbab7258101bccc120a8761
150 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs, indicating a link farm designed to redirect users to malicious content. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier's high confidence score further support its malicious nature. The document body contains obfuscated text and references to 'Minecraft dosyas 0 0 indir', likely a lure to entice downloads.

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://statsclothing.com/uploads/1/3/0/6/130621226/gijekiza_xobiwuparivu_lisipowovezo.pdf
    • http://spwhoa.com/uploads/1/3/0/2/130274199/4989026.pdf
    • http://michellentherapy.com/uploads/1/3/0/5/130545742/wuzurapuzisuron.pdf
    • http://bestjacksonbonding.com/uploads/1/3/0/2/130272095/pudugosewol-vomifatuwas-bejudetuveja.pdf
    • http://spokanehomeinspectornextjen.com/uploads/1/3/0/6/130621897/2089420.pdf
    • http://middlingsort.com/uploads/1/3/0/6/130639024/6436806.pdf
    • http://sptbgautorepairpros.com/uploads/1/3/0/2/130289355/voxeso.pdf
    • http://fezedi.feismen.tech/uploads/2020/01/28/ruxirufuxuturap_sexigorigivozok_dinofigiduno_somoxisunop.pdf
    • http://mysoundcollective.com/uploads/1/3/0/2/130287940/130287940.html#minecraft+dosyas%C4%B1+indir

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001439.bin
4d401754f905a0ad03822184c68383918bcd6543e1fb96d3668d2e0e18670af6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1439 11096 bytes

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