Malicious PDF — malware analysis report

Static analysis result for SHA-256 504d0a259db09309…

MALICIOUS

PDF

39.0 KB Created: 2020-05-15 15:58:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 55cfa4c1a242ea05f296ab920c622de7 SHA-1: 8624250de8412409d8f1ec8c66f9ae71f2133146 SHA-256: 504d0a259db09309e18f7c9fc3dd318136df72aac3578cf0167506be7fdfae76
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, identified by the PDF_SEO_LINK_FARM heuristic. The document body, though heavily obfuscated, contains references to a 'child custody agreement template' and includes URLs pointing to various domains. These URLs likely serve as a link farm to manipulate search engine results or to redirect users to malicious content. No scripts were extracted, limiting the analysis of direct payload delivery mechanisms.

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://goodgerpinkproductions.com/uploads/1/3/0/6/130605174/130605174.html#child+custody+agreement+template
    • http://abrahamgrowth.net/uploads/1/3/1/4/131437476/8340a.pdf
    • http://giftsquared.org/uploads/1/3/1/6/131607278/8c557a9bc.pdf
    • http://rosegluckwriter.com/uploads/1/3/0/7/130776511/wepugulawupipi_fabisozenazi_dogufifagefal.pdf
    • http://ingascony.com/uploads/1/3/0/6/130621714/wisamubelebebipag.pdf
    • http://killencars.com/uploads/1/3/0/2/130272571/2d932c8ce.pdf
    • http://flavorstw.com/uploads/1/3/1/4/131483167/fasewe.pdf
    • http://geekbucketlist.com/uploads/1/3/1/8/131856554/wetoxoku.pdf
    • http://forbeselderlaw.com/uploads/1/3/0/7/130775876/raxuvofap.pdf
    • http://murfhoff.com/uploads/1/3/0/6/130621167/kuxanitu.pdf
    • http://kennebecpropertymaintenance.com/uploads/1/3/0/5/130551202/9904946.pdf
    • http://springbrookaerospace.com/uploads/1/3/0/6/130621362/larax.pdf
    • http://pitturaalchemica.com/uploads/1/3/0/6/130604348/povape_mixaxagute_nitadubumubop.pdf
    • http://starlightdjservices.com/uploads/1/3/0/7/130739093/a80f21325cc04.pdf
    • http://transparentmortgageservices.com/uploads/1/3/0/4/130489650/momulil-xenigonuv-vafederot.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_off00006f51.bin
31c4d8c07d07fecad3c90b67efbe194c76e7219ab3d7c8fab269015cdc4ac8f2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6F51 9788 bytes

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