Malicious PDF — malware analysis report

Static analysis result for SHA-256 7d6523a694a5171e…

MALICIOUS

PDF

34.1 KB Created: 2020-03-21 16:05:36 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 920af9eafd817b438bde3d57f5e2b6d0 SHA-1: 620f4d019adbfe7eec90c1d1d9984f2534ea25a5 SHA-256: 7d6523a694a5171e88bf98e19bf53206bf4ccc4a66dbad91249b7c3305cedab1
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or SEO spam campaign. The document body contains a reference to 'Gospel song lyrics' and the authoring application 'wkhtmltopdf', indicating it was likely generated for a specific purpose. The primary intent appears to be directing users to a multitude of external PDF files, potentially for malicious redirection or content distribution.

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://westendbs.com/uploads/1/3/0/4/130490181/130490181.html#gospel+song+lyrics+god+has+been+so+good+to+me
    • http://goldclub.lucky1st.com/uploads/1/3/0/4/130488198/ff1c4ed01b4e4c1.pdf
    • http://www.criticalpointconstruction.com/uploads/1/3/0/2/130287932/sepizaz-nujalas.pdf
    • http://ralyvas.store/uploads/1/3/0/2/130289344/zasamofezisal-tugoga-wiferaxevoxono-simutowitamel.pdf
    • http://www.nicoletrottaphotography.com/uploads/1/3/0/4/130489706/debuvasasonun-najunepewel-xokit.pdf
    • http://mta89.qualitynow.net/uploads/1/3/0/4/130435711/tumefe.pdf
    • http://hostmaster.syneride.com/uploads/1/3/0/5/130540559/gures.pdf
    • http://702liquidation.com/uploads/1/3/0/2/130274316/9981ffb66c90b.pdf
    • http://www.foschia.com/uploads/1/3/0/2/130288534/38cc053dd.pdf
    • http://dinotikes.com/uploads/1/3/0/4/130477135/xurutegime.pdf
    • http://www.womensselfdefenseftmyers.com/uploads/1/3/0/6/130639675/xagulaxugepi_punizow_piromagu.pdf
    • http://peoplegarage.com/uploads/1/3/0/8/130874606/nesazolafuposa-dojitokoz-domukodudobaja.pdf
    • http://shopjollygoods.com/uploads/1/3/0/7/130775231/8671792.pdf
    • http://crazyquilteronabike.com/uploads/1/3/0/8/130813692/664b48.pdf
    • http://stephanieholdahl.com/uploads/1/3/0/6/130604317/08ea7c5.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_off00005e93.bin
8977457e340cc8d8bedc9abf8a8e78a12de8df38da7b53936b6b7f5286d8c982		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5E93 7228 bytes

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