Malicious PDF — malware analysis report

Static analysis result for SHA-256 82be22ea54b1bb48…

MALICIOUS

PDF

39.9 KB Created: 2020-05-22 15:08:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8853cfd26fcf9482af01be8c4345aae1 SHA-1: 0e400c973c49808e244ef49aa2a975341a88fe36 SHA-256: 82be22ea54b1bb488ccb87127af2aa3c0bf444d867c5b1c4d8d3334ca802d6d9
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, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or distribution network. The embedded document body also contains several of these URLs, reinforcing the link farm attack pattern. No scripts were extracted, and the primary malicious activity appears to be the redirection to external content.

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://genservicecontracting.gammaxiques.org/uploads/1/3/0/7/130775911/130775911.html#archaeologist+bard+guide+pathfinder
    • http://declutterwithdawn.com/uploads/1/3/0/6/130639059/3770375.pdf
    • http://cleanproservices.net/uploads/1/3/1/3/131379213/kakidejufux-biriloxid.pdf
    • http://photoeditingbyemmie.com/uploads/1/3/0/5/130540714/42de06bf35f3f.pdf
    • http://printimaginations.com/uploads/1/3/0/6/130620921/dea4b0dad063.pdf
    • http://legalvideopartners.com/uploads/1/3/1/4/131455141/vomogoxaderatag-kigusijazimaxub-gupuzimenab.pdf
    • http://romodesigns.com/uploads/1/3/0/6/130639052/bovositozu-jusejawog-nadad-turiwedixizo.pdf
    • http://mentorconcrete.com/uploads/1/3/1/4/131438356/kewagesab-pupizuluti-pepituwevixexek-sibulivepo.pdf
    • http://wholesalegiftsbaskets.com/uploads/1/3/0/8/130874180/d129518e91d811.pdf
    • http://therapeuticessentails.com/uploads/1/3/0/9/130969835/4857807.pdf
    • http://grupodacco.com/uploads/1/3/1/3/131383679/5034878.pdf
    • http://sukanyadayal.com/uploads/1/3/0/8/130874284/gokuzepuza.pdf
    • http://ormhceu.com/uploads/1/3/1/1/131163514/xenexegomojupuwus.pdf
    • http://solref.com/uploads/1/3/0/5/130542872/80aa0b59.pdf
    • http://sunpink.com/uploads/1/3/1/4/131408928/a570e9f57.pdf
    • http://empresselle.com/uploads/1/3/0/3/130313215/fbd034e225.pdf
    • http://kalinkikreations.com/uploads/1/3/1/6/131636774/d4fffc.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_off000071ff.bin
5fa41a6b6addfc374f65f0e91d5d9ac4b605ae31d254f1252df4d865ed7c3405		 pdf-font-stream PDF embedded font (sfnt) at offset 0x71FF 10036 bytes

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