Malicious PDF — malware analysis report

Static analysis result for SHA-256 c0a4478f7e89497f…

MALICIOUS

PDF

42.8 KB Created: 2020-03-24 02:57:08 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 64f8e5d33166240311f72d7f4718ab47 SHA-1: fb8b93eea62781e42cf1096c152b5ef858a5a9ce SHA-256: c0a4478f7e89497f5d43d0918535b763b3e13eb8bc29d664f2a553c55adf3af4
62 Risk Score

Malware Insights

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

The PDF document contains a large number of 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 a distribution mechanism for malicious content. The document body is heavily obfuscated and contains embedded URLs, reinforcing the malicious intent. 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://navice.org/uploads/1/3/0/6/130639347/130639347.html#free+kindergarten+reading+passages+pdf
    • http://baustoff-zentrale.com/uploads/1/3/0/5/130588784/demoto-nimutezigana.pdf
    • http://alissabethphoto.com/uploads/1/3/0/5/130550792/3018240.pdf
    • http://bearvbaby.org/uploads/1/3/0/5/130550749/6228d0.pdf
    • http://bioinnovationllc.com/uploads/1/3/0/7/130776630/vemagixogebadokezuge.pdf
    • http://eajewels.com/uploads/1/3/0/5/130551222/xufigonugafedukaw.pdf
    • http://texasdke.org/uploads/1/3/0/2/130291545/soregitus_dokal_vevejugukuxave.pdf
    • http://figisinc.com/uploads/1/3/0/8/130874472/dulagi.pdf
    • http://winebar.org/uploads/1/3/0/7/130739330/tavanofidomitaw_jegifek_mudexobusa.pdf
    • http://ip109-colo.mnemonix.com/uploads/1/3/0/4/130483886/barizafame.pdf
    • http://paleblue.design/uploads/1/3/0/7/130775675/2680925.pdf
    • http://www.cykeltaxi.dk/uploads/1/3/0/5/130588515/bojowukologuretogimi.pdf
    • http://impropisation.com/uploads/1/3/0/6/130605237/788681.pdf
    • http://taephotography.com/uploads/1/3/0/6/130639573/fetiv.pdf
    • http://monsterworksmgmt.com/uploads/1/3/0/2/130289397/vukopolotoki.pdf
    • http://hostmaster.louisefutchertherapy.co.uk/uploads/1/3/0/6/130621317/zexexive.pdf
    • http://www.mrkellysupholstery.com/uploads/1/3/0/9/130969465/wegutevidofud_guvijekine.pdf
    • http://nightmarefightclub.net/uploads/1/3/0/6/130639278/nerivifoxinora.pdf
    • http://site76295.mywhc.ca/uploads/1/3/0/6/130620910/2974fd4.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000068a7.bin
b25c0ec69c0ee1a2df96217b667ceaf8b0fd12ba50be53d018efeb12b7b5eee6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x68A7 7616 bytes
font_01_sfnt_off00008691.bin
c6c28444bcd94379862b6cc7f8cfcdbcdaeb026857ccdb099d87626a561054a6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8691 16092 bytes

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