Malicious PDF — malware analysis report

Static analysis result for SHA-256 475e42167a4d83dc…

MALICIOUS

PDF

70.1 KB Created: 2020-03-08 05:17:07 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 7b9cd05543bfe4b33edee0ab2050bc11 SHA-1: 2fd90e67d2eb5f037365ccd7355b7d03a80f9299 SHA-256: 475e42167a4d83dc5dd90528e2be50c8b11ed852cd4f018ae6f7abb6cbdcd14a
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, a technique often used for SEO poisoning or to redirect users to malicious sites. The document body, though heavily obfuscated, contains text that appears to be a lure related to 'Advocates remuneration order kenya pdf'. The primary heuristic identified a link farm of 22 external PDF links, suggesting a coordinated effort to distribute content or redirect users. No scripts were extracted from this sample.

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://mg3.brdge.org/uploads/1/3/0/4/130436095/130436095.html#advocates+remuneration+order+kenya+pdf
    • http://noyirionworks.com/uploads/1/3/0/6/130621507/xogowup.pdf
    • http://ndlobmac.com/uploads/1/3/0/6/130620642/ginizodomapude.pdf
    • http://nyicnamatrimonial.com/uploads/1/3/0/6/130639877/zeguzaxa.pdf
    • http://www.mouthenvy.com/uploads/1/3/0/6/130621102/1437ff46992.pdf
    • http://pexoticshop.com/uploads/1/3/0/7/130738984/8722030.pdf
    • http://utahfilmcomposer.com/uploads/1/3/0/6/130639517/61adf111534f71.pdf
    • http://rping.co.uk/uploads/1/3/0/7/130739256/7369863.pdf
    • http://ucddowntown.org/uploads/1/3/0/4/130493968/5f71c02a19.pdf
    • http://acquizoom.com/uploads/1/3/0/8/130874136/muvikixemilezuz-dopodof-divaguj.pdf
    • http://www.evorceutah.com/uploads/1/3/0/8/130874350/bedadojuwevovi.pdf
    • http://sugarpie.info/uploads/1/3/0/6/130604950/9546619.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_off0000e4a7.bin
ec518a37335884704ca86edd048f233cbdf0f5e9bbf4186c345b3e335936ca41		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE4A7 10368 bytes

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