Malicious PDF — malware analysis report

Static analysis result for SHA-256 7cf6853b9e124bd2…

MALICIOUS

PDF

40.7 KB Created: 2020-04-08 02:40:56 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 8e3551143007dbf321172edd49882f3e SHA-1: c3cc7e10ccc14296952a64985b873850f23cea70 SHA-256: 7cf6853b9e124bd239d9b4e80e01ebf5dc72502086e010aa1e35e7478c02a67a
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 User Execution: Malicious File

The PDF document presents itself as a '2018 jeep wrangler jk sport owners manual' but contains a large number of external links to various domains. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external PDF links, suggesting a link farm or distribution mechanism. The embedded URLs are likely used to redirect users to malicious sites or download further payloads. 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://andmerchant.org/uploads/1/3/1/3/131379361/131379361.html#2018+jeep+wrangler+jk+sport+owners+manual
    • http://rustypinecone.com/uploads/1/3/0/2/130273980/figomob-rabixugabod-berubepopoko-gusemetigekil.pdf
    • http://yvonneart.net/uploads/1/3/0/5/130551487/lafipo_vubopabebol_pusizedumis_dadib.pdf
    • http://missfitmaroc.com/uploads/1/3/0/9/130969139/wegubupolaj-kimilidabomesi-sojoveg-lipaxenilotilex.pdf
    • http://evolveequality.org/uploads/1/3/0/2/130274145/8600039.pdf
    • http://8x7marketing.biz/uploads/1/3/0/5/130590117/demuzutudavirunudo.pdf
    • http://inspiredproperty.net/uploads/1/3/0/5/130589123/tujoxun_mifolefojo.pdf
    • http://theskinpa.com/uploads/1/3/0/4/130477007/dajan_genojogome_nozobote.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_off00007540.bin
4f5252331f4a42b354a2abc552b31817a825e949d8d31060dd57b2181260c1f2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7540 8640 bytes

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