Malicious PDF — malware analysis report

Static analysis result for SHA-256 fa016eac23baebf0…

MALICIOUS

PDF

36.7 KB Created: 2020-04-01 12:06:08 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 9464e5338ecb9d89dd64672e7a527ef7 SHA-1: bbf92dda44d36af411acad4afb89670efb909715 SHA-256: fa016eac23baebf06e69b8e21f80971dcbab6a567c74ad04cb10006f361064ef
62 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF document contains a large number of external links to other PDF files, indicating a link farm or SEO spamming operation. The document body contains garbled text and a reference to 'informe de calificaciones primaria editable', suggesting a lure. The primary attack pattern involves redirecting users to a network of potentially malicious or spam-related websites.

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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://inspired4610.com/uploads/1/3/0/2/130287279/130287279.html#informe+de+calificaciones+primaria+editable
    • http://mastlite.com/uploads/1/3/0/4/130491063/27c13bce600d.pdf
    • http://lesvergnesgites.com/uploads/1/3/0/3/130313836/d859c422a6e79e9.pdf
    • http://metallandco.net/uploads/1/3/0/5/130551486/8218022.pdf
    • http://4movements.org/uploads/1/3/0/5/130551621/af11f.pdf
    • http://carolinecolombo.com/uploads/1/3/0/4/130436261/nelezamixew.pdf
    • http://hearthealer.nl/uploads/1/3/0/6/130620979/guwilil.pdf
    • http://globalseriespumps.com/uploads/1/3/0/4/130483833/nuket.pdf
    • http://johnjcoleman.org/uploads/1/3/0/2/130289731/8f3af200909.pdf
    • http://howardgatewood.com/uploads/1/3/0/7/130776180/8648107.pdf
    • http://kleinskillfruitfarm.com/uploads/1/3/0/2/130289563/2466623.pdf
    • http://jakieraseye.com/uploads/1/3/0/6/130604824/d1f3431bdb.pdf
    • http://dreampuffs.co/uploads/1/3/0/5/130539251/8058304.pdf
    • http://bodylogicstudio.net/uploads/1/3/0/4/130477605/lofif.pdf
    • http://spanish-expressions.com/uploads/1/3/0/4/130491356/piwikulefuvuzu.pdf
    • http://companioncaninetraining.net/uploads/1/3/0/7/130738632/xitaketum.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000064b3.bin
302b6239239eeb5691686f42c0ff433c8ff2b40978254207868291dbd741b35a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x64B3 8452 bytes

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