Malicious PDF — malware analysis report

Static analysis result for SHA-256 eeb9d8e646cb4843…

MALICIOUS

PDF

74.8 KB Created: 2020-03-25 08:37:14 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 95f0b958a7af27c090f8ff29f5ba7029 SHA-1: 2057b145ecb481984b030dc7295137de7eae1937 SHA-256: eeb9d8e646cb484343f186f914cb1f252d59ff0433168e990991e235ab5c0277
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a large number of external links, many of which are numerically or generically named, suggesting a link farm or SEO manipulation tactic. The document body, though partially corrupted, contains text related to World War II and the wkhtmltopdf tool, indicating a lure to disguise the malicious intent. The primary heuristic indicates a 'PDF_SEO_LINK_FARM' with 24 external links, pointing to various domains.

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://purerockcolours.eu/uploads/1/3/0/6/130620207/130620207.html#resumen+de+la+segunda+guerra+mundial+inicio+desarrollo+y+final
    • http://www.sweetiepaws.com.au/uploads/1/3/0/6/130621791/kadezat.pdf
    • http://unicorn-tears.com.au/uploads/1/3/0/5/130541944/8915120.pdf
    • http://three1.net/uploads/1/3/0/5/130550763/3332353.pdf
    • http://ipraymovement.org/uploads/1/3/0/6/130620842/figup.pdf
    • http://hostmaster.marklabrow.com/uploads/1/3/0/2/130288915/fofipuzufeboje.pdf
    • http://opynestrategies.org/uploads/1/3/0/2/130272086/4781361.pdf
    • http://steakclubdetroit.com/uploads/1/3/0/7/130775682/1502324.pdf
    • http://www.crossfitgroundworx.com/uploads/1/3/0/6/130620443/4a50d3b36.pdf
    • http://formasspa.com/uploads/1/3/0/8/130874322/4500959.pdf
    • http://leatherbackbags.com/uploads/1/3/0/6/130605433/fubiravexagafojop.pdf
    • http://legacydesignhomes.com/uploads/1/3/0/2/130272344/nagogopojemupataj.pdf
    • http://casagrandecarsales.com/uploads/1/3/0/2/130272850/lagolefulutukor.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_off0000fa57.bin
20187b3c186f3a0c340625d65d8c08c1361f258a8fcb564e9608c2af67f16c68		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFA57 9392 bytes

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