Malicious PDF — malware analysis report

Static analysis result for SHA-256 7b8a9c9b919b7e1f…

MALICIOUS

PDF

40.5 KB Created: 2020-04-16 14:03:42 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 50ccdf1bb56ee766c6ba95789e8849f1 SHA-1: 41c132bfdef995a5471c0572ea50adc609802f7c SHA-256: 7b8a9c9b919b7e1f91f5e475333087c47aeb89b16849e32401b2d56dbcbf79a6
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link T1059.001 PowerShell

The PDF document contains a lure related to 'Prickly pear plant information' but is primarily a link farm designed to manipulate search engine results. It embeds numerous external URLs pointing to other PDF files hosted on various domains. This technique is often used to distribute malware or engage in SEO spam. No scripts were extracted, limiting the ability to determine further execution steps.

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://joncloudinc.com/uploads/1/3/0/5/130588842/130588842.html#prickly+pear+plant+information
    • http://saintclairstorage.com/uploads/1/3/1/4/131453623/lexelupojawag.pdf
    • http://anfieldconsulting.com/uploads/1/3/1/4/131437755/4613709.pdf
    • http://greenworthy.ca/uploads/1/3/0/3/130379462/salipen_dosowu.pdf
    • http://myshoploft.org/uploads/1/3/1/4/131455722/sexof_vokofit_gimanivedezewab.pdf
    • http://abortionkuwait.com/uploads/1/3/0/2/130289679/lurare.pdf
    • http://anchorstoragelc.com/uploads/1/3/0/5/130539125/bijesuwuvi.pdf
    • http://leytampaservices.com/uploads/1/3/0/2/130274319/jinaritam.pdf
    • http://lastcastlebrewing.com/uploads/1/3/1/4/131437085/30ebadf6ccb.pdf
    • http://kelseyanntaylor.com/uploads/1/3/0/6/130604756/wuguvupuxaj.pdf
    • http://janroberts.yoga/uploads/1/3/0/2/130270867/buwifiz.pdf
    • http://joyjnydesigns.com/uploads/1/3/0/4/130483507/b1a45b4808.pdf
    • http://karlfrancisallen.com/uploads/1/3/0/7/130776805/pekuj.pdf
    • http://emergencyplanningandoperations.com/uploads/1/3/0/7/130739727/2724552.pdf
    • http://kelseyanntaylor.com/uploads/1/3/0/6/13
    • 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_off0000778c.bin
0c1124731942116398afd02905f39287087cf00ce23ad056f322e14f468eb8e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x778C 8136 bytes

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