Malicious PDF — malware analysis report

Static analysis result for SHA-256 87a29fe65e0d44ed…

MALICIOUS

PDF

36.6 KB Created: 2020-05-19 13:41:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3be17353f4d1d70c7373c51a687e2437 SHA-1: a2e2683a31c92a1247d2632914572b15c5cac691 SHA-256: 87a29fe65e0d44ed4b5276da4c1514e2506c8eab23b0731fcac5fdeae0d34bfa
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, a technique often used for SEO manipulation or to distribute malicious content. The heuristic 'PDF_SEO_LINK_FARM' specifically identifies this behavior, pointing to numerous URLs hosted on various domains. The document body itself contains garbled text along with some of the extracted URLs, suggesting it's not intended for legitimate user consumption but rather as a vehicle for link 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://johnmappin.org/uploads/1/3/1/3/131398164/131398164.html#john+deere+power+flow+bagger+parts+diagram
    • http://untamedappetites.com/uploads/1/3/1/6/131637171/6413101.pdf
    • http://mrsbsconsignments.com/uploads/1/3/0/6/130620401/33498848f7.pdf
    • http://shazairfan.com/uploads/1/3/0/9/130969080/7935812.pdf
    • http://pawleysislandwelcomecenter.com/uploads/1/3/1/1/131164168/rodalikezuxij.pdf
    • http://jojoontour.eu/uploads/1/3/0/3/130313218/a9e4aebba69a468.pdf
    • http://thecookeshoppe.net/uploads/1/3/0/3/130313826/c0e0d6e65.pdf
    • http://anne-g.com/uploads/1/3/0/6/130604205/9301655.pdf
    • http://bouncehouserentalshuntsville.com/uploads/1/3/0/8/130813582/4147940.pdf
    • http://dogblobs.com/uploads/1/3/1/0/131070792/mamer.pdf
    • http://flamegirlscollege.com/uploads/1/3/1/4/131483588/5733500.pdf
    • http://mindbodyface.ca/uploads/1/3/0/6/130620845/xerifokevawifiw.pdf
    • http://wlmproperties.net/uploads/1/3/0/6/130621917/lerinerusifiga-rilare-kodasuve.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_off000062f4.bin
938058eef708349855a44835711a1ecb54e979ac11cc7c35d29eb394a6a115a8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x62F4 10588 bytes

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