Malicious PDF — malware analysis report

Static analysis result for SHA-256 b64970cbfafdc30a…

MALICIOUS

PDF

37.4 KB Authoring application: LibreOffice Draw
MD5: 12214d1e21ca04198924a7f8f266d327 SHA-1: d330cffbbb1a4667d6fa84c7820ca0447bac15df SHA-256: b64970cbfafdc30af5df2154b36bb7953e06905d83c83df0e0b5bcce0550911f
128 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. This suggests a phishing or SEO manipulation attempt. The SE_INVOICE_LURE heuristic indicates the document may be disguised as an invoice or payment request to encourage user interaction with the links. The ClamAV detection further supports the malicious nature of the file.

Heuristics 4

  • 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
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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 https://mepininerupa.weebly.com/uploads/1/3/0/5/130588802/xerivudot.pdf
    • http://verticesglobals.com/uploads/1/3/0/7/130740607/19acc5bbe424768.pdf
    • http://kkompani.com/uploads/1/3/0/8/130874277/5c5b8b52d34d.pdf
    • http://mondiki2023.com/uploads/1/3/0/4/130476830/basonuvodupe-kumaziwo-neworuz-fokelefufixoxa.pdf
    • http://xplorcolombia.com/uploads/1/3/0/5/130552055/a020f4dc42.pdf
    • http://ninktat.com/uploads/1/3/0/6/130620198/senekemu-tujibi-zuwepefe-tutibiwunabiju.pdf
    • http://przyczepa.com/uploads/1/3/0/6/130620492/xisezedujojogem.pdf
    • http://newbraunfelspestpros.com/uploads/1/3/0/7/130739012/veluwezukuxelasiruze.pdf
    • http://nftebayarea.org/uploads/1/3/0/6/130604311/cc33941.pdf
    • http://megadromlabs.com/uploads/1/3/0/5/130540874/5e43f3.pdf
    • http://thesummitx.com/uploads/1/3/0/6/130639055/rutajo.pdf
    • http://misbailes.com/uploads/1/3/0/5/130551083/130551083.html#car+rental+form+free+template

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001435.bin
a441584302b277733f519fa42faa51af94bc7eeb5bc101462dc35ffb978f8e6b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1435 7924 bytes

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