Malicious PDF — malware analysis report

Static analysis result for SHA-256 1b94a6bf01673081…

MALICIOUS

PDF

34.5 KB Created: 2020-03-29 04:23:29 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 84349431fd7b8d59b0e4b07224bba4c1 SHA-1: 32f6292912f22598bd44d0f53ddd3cb51dd7c25e SHA-256: 1b94a6bf016730815e08ff8fe226b0877d8df4ab6ae25409687552cf829ecdbe
62 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF files hosted on different domains, suggesting a link farm or SEO manipulation tactic. The primary URL extracted, http://www.xmo1.com/uploads/1/3/0/6/130639714/130639714.html#ninth+circuit+court+of+appeals+model+civil+jury+instructions, also leads to a similarly structured URL. 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://www.xmo1.com/uploads/1/3/0/6/130639714/130639714.html#ninth+circuit+court+of+appeals+model+civil+jury+instructions
    • http://firstresponsetraininggroup.com/uploads/1/3/0/3/130379289/3413284.pdf
    • http://mail.canfireinstructors.com/uploads/1/3/0/4/130483633/9488849.pdf
    • http://74-123-76-64.mgwnet.com/uploads/1/3/0/6/130621548/fokatokanebekak.pdf
    • http://www.alysemedia.com/uploads/1/3/0/6/130620365/folepumu_tugulopim_bizak_dafuro.pdf
    • http://fearlessjobinterviewing.com/uploads/1/3/0/4/130436525/gomilebukajaxorimu.pdf
    • http://virtualcpreality.com/uploads/1/3/0/5/130588430/e7e8639.pdf
    • http://palace-hill.co.uk/uploads/1/3/0/2/130273962/44843e2.pdf
    • http://cor-consultants.com/uploads/1/3/0/3/130313383/dipogurat-xokid-fizusepej-vegujok.pdf
    • http://www.lucynthiaent.com/uploads/1/3/0/8/130874509/wuwabex_xetuxaki.pdf
    • http://ausdonehealth.com/uploads/1/3/0/6/130603969/1741147.pdf
    • http://westboro-apts.ca/uploads/1/3/0/6/130639030/kexemafagav.pdf
    • http://hostmaster.praxis-dr-noe.de/uploads/1/3/0/2/130272231/wemogofibofasu.pdf
    • http://melissaandaiden.com/uploads/1/3/0/5/130590361/5484270.pdf
    • http://nomadicescaperoom.com/uploads/1/3/0/8/130813524/64662.pdf
    • http://www.pethousecharm.com/uploads/1/3/0/3/130323100/selapewaxawezosag.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_off0000650c.bin
ab46938317c8917f62954d8522456ba8a5e98a18925b8503ed4386880bd6b404		 pdf-font-stream PDF embedded font (sfnt) at offset 0x650C 5664 bytes

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