Malicious PDF — malware analysis report

Static analysis result for SHA-256 3af43eca7a6e7079…

MALICIOUS

PDF

33.7 KB Created: 2020-04-01 11:48:01 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 936eb9f6355a903cc1cc1de1fb4b9b79 SHA-1: 34f41d33d862f21da2bbc3eb955ca90d223a8405 SHA-256: 3af43eca7a6e7079daaad65eaabf4fdb8ececf561201ed3367e73b8ebb233000
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 follow a pattern suggesting an SEO link farm. The document body, though partially corrupted, contains text related to a 'biblia sagrada' and the wkhtmltopdf application, indicating a potential lure for users seeking religious content. The primary attack pattern involves redirecting users to these external sites, which may host further malicious content or phishing pages. 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://ourmusicdj.com/uploads/1/3/0/7/130738824/130738824.html#b%C3%ADblia+sagrada+catolica+online+gratis+para+celular
    • http://naturestands.com/uploads/1/3/0/2/130289430/pixixuwupetavizazomo.pdf
    • http://htownskates.com/uploads/1/3/0/4/130483872/rinovaniminifipubad.pdf
    • http://elainesroom.org/uploads/1/3/0/2/130274269/6805976.pdf
    • http://flfleetcollision.com/uploads/1/3/0/5/130590658/90d92c.pdf
    • http://justinmumm.com/uploads/1/3/0/2/130270747/2c8b782b452c0.pdf
    • http://yourretirement8.com/uploads/1/3/1/3/131379402/kizapazaluse-gupuleb-sivone-mumolojododo.pdf
    • http://mamkoo.com/uploads/1/3/0/6/130639516/6210013.pdf
    • http://lifeisrespond.com/uploads/1/3/0/7/130738949/roroj.pdf
    • http://mphcoatings.com/uploads/1/3/0/2/130288818/sutagor.pdf
    • http://jidaskinandbodycare.com/uploads/1/3/0/3/130324065/7357838.pdf
    • http://premierloansigningnotaries.com/uploads/1/3/1/0/131070148/fexotunetilizalu.pdf
    • http://middlesouthplatte.org/uploads/1/3/0/6/130621579/lafifivegafitixi.pdf
    • http://chezparadis.co.uk/uploads/1/3/0/5/130589179/6891004.pdf
    • http://obakosobotanica.org/uploads/1/3/1/0/131070051/juwitufumixonitune.pdf
    • http://jovenesdiplomaticosac.org/uploads/1/3/0/8/130873922/5766199.pdf
    • http://mirroredimagesphoto.com/uploads/1/3/0/3/130379429/lozuk.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_off0000589f.bin
6c1f88358ae0dbf9b8b1947b548d64d9c91a733ac642d3128a5193d05d7885c6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x589F 8880 bytes

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