Malicious PDF — malware analysis report

Static analysis result for SHA-256 48797146108a45ac…

MALICIOUS

PDF

55.1 KB Created: 2020-05-04 11:46:57 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 42b0d99654f40834cab15308ea874bbd SHA-1: 46426fbf0c068b94370fd169c7d4987546b8e5cc SHA-256: 48797146108a45ac8b5957d6710dc45bf790746cb50344dceffe54d3c941c52d
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of external links, many of which point to other PDF files on unrelated domains, suggesting a link farm or SEO abuse tactic. One of the embedded URLs, http://thelegalactiongroup.com/uploads/1/3/0/6/130639767/130639767.html#best+war+simulation+games+android, is presented as a game review, likely a lure to direct users to malicious content. No scripts were extracted, limiting the ability to determine further payload delivery or execution.

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://thelegalactiongroup.com/uploads/1/3/0/6/130639767/130639767.html#best+war+simulation+games+android
    • http://plumbersabq.com/uploads/1/3/1/6/131637635/3789547.pdf
    • http://highhopesnetwork.org/uploads/1/3/0/6/130604348/jigeru-womokalaji-vabirumudexu.pdf
    • http://aladalive.com/uploads/1/3/0/5/130539838/2699713.pdf
    • http://grand-fruits.com/uploads/1/3/0/7/130775126/7815630.pdf
    • http://modelworksllc.com/uploads/1/3/1/4/131453374/3221319.pdf
    • http://unfetteredpersonaltraining.com/uploads/1/3/0/5/130550682/tunigixisupolofiju.pdf
    • http://cash4usedcarsla.com/uploads/1/3/0/2/130289301/bogesunapafosiju.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • 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_off0000ae33.bin
778e4295c0739139c224aea33fa99a961ce575a3e0729952c467e41a6f466516		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAE33 10204 bytes

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