Malicious PDF — malware analysis report

Static analysis result for SHA-256 6fd689ddbd89f21d…

MALICIOUS

PDF

81.1 KB Authoring application: Serif PagePlus
MD5: 10cacc56a95752dc8fc827f155c47a54 SHA-1: aac47e7363a933be5cb7a6c9d73ad6268992b7bd SHA-256: 6fd689ddbd89f21d14fcd41cccca58d2c0f76b438b36a2135a9412c4b9b89764
152 Risk Score

Malware Insights

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

This PDF file was detected as malicious by ML classifiers and ClamAV, specifically flagged as 'Pdf.Phishing.TtraffRobotInstall'. The primary heuristic indicates a large number of external PDF links embedded within the document, pointing to various domains. These links likely serve to redirect users to other malicious or SEO-abused content, potentially for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://alabamaservicedogs.com/uploads/1/3/0/6/130621664/susupo.pdf
    • http://appliancerepairbolingbrookil.com/uploads/1/3/0/4/130435611/8f29d2c92b39aba.pdf
    • http://shelbyjanepadenphotography.weebly.com/uploads/1/3/0/4/130488163/63121f.pdf
    • http://styleanddezineboutique.net/uploads/1/3/0/6/130620163/6304664.pdf
    • https://wovazawon.weebly.com/uploads/1/3/0/5/130543761/goxorok.pdf
    • http://howtobeaweddingcoordinator.com/uploads/1/3/0/2/130271211/1957916.pdf
    • http://rhfibers.com/uploads/1/3/0/6/130621475/sazuxafewumu.pdf
    • http://xofo.homecookingbook.com/uploads/2020/01/27/kogaw.pdf
    • http://pirurige.storefb.xyz/uploads/2020/01/29/0d57e8.pdf
    • http://mepukox.dream-boxxx.ru/uploads/2020/01/28/8618496.pdf
    • http://miami.momotombochocolatefactory.com/uploads/1/3/0/4/130483578/130483578.html#europa+universalis+5+guide

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001360.bin
d1afaabef4fb231e6a7c8a80e175f549a79cacbdf7fc570bcffa4fa327efcb61		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1360 9720 bytes

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