Malicious PDF — malware analysis report

Static analysis result for SHA-256 6d2de0d0930f4fd5…

MALICIOUS

PDF

39.2 KB Authoring application: Serif PagePlus
MD5: 54597a4e87d2aecae2dfa28ad29cea4e SHA-1: 2aeb76a27c51fb973d1f96572a9fa13ccd5f55d8 SHA-256: 6d2de0d0930f4fd5063f8cd8dd2d6b49e6840c9294c781c35f36752551d87ce8
152 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs pointing to other PDF files, a technique often used for SEO spam or to distribute further malicious content. ClamAV detected this as 'Pdf.Phishing.TtraffRobotInstall-7605656-0', indicating a phishing or traffic redirection scheme. The ML classifier also strongly flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://kierstenhathcock.com/uploads/1/3/0/6/130620628/7022158.pdf
    • http://anonnetwork.net/uploads/1/3/0/5/130542983/c3e8e9.pdf
    • http://ntpc-tea.weebly.com/uploads/1/3/0/3/130323328/78e15f7b.pdf
    • http://artfullyinspiredcoaching.com/uploads/1/3/0/5/130550762/vozagekapiberulomimu.pdf
    • http://allthis.org/uploads/1/3/0/5/130588277/dunolipuvukozokum.pdf
    • http://carrielcopeland.com/uploads/1/3/0/5/130539798/vizokopeluru_posotarisomo_jewotexepuluka.pdf
    • http://feder.galamosaic.net/uploads/2020/01/28/sugemomon.pdf
    • http://mrdog.shop/uploads/1/3/0/5/130543212/70f64df2069.pdf
    • http://obgynassociatespc.com/uploads/1/3/0/2/130291623/ferapapubobenawu.pdf
    • http://thehappygirlstore.com/uploads/1/3/0/4/130478067/130478067.html#compliance+officer+job+description+template

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000011ea.bin
f8e375334a9ad438a34ca818d3aa88997e570fa74e9b6b3383da3c618f135c9b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11EA 7668 bytes

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