Malicious PDF — malware analysis report

Static analysis result for SHA-256 c55c3e74e18f2ae7…

MALICIOUS

PDF

36.3 KB Created: 2020-05-19 02:29:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8e4ad69687034bc2684ec182e2cdbadc SHA-1: d090cf35e6bf423c34a2a184095b0640310b9022 SHA-256: c55c3e74e18f2ae74daf42daffbf05d4073b175d72578b678e1081fe15fa0f32
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 pointing to various PDF files hosted on different domains. This pattern is indicative of SEO poisoning or a link farm designed to distribute malicious content or redirect users to phishing sites. No scripts were extracted, and the document body primarily contains metadata and the list of URLs, reinforcing the link-based attack vector.

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://cagecommerical.com/uploads/1/3/0/4/130483632/130483632.html#asterix+the+gaul+pdf
    • http://sebastianrichard.com/uploads/1/3/1/1/131164204/f66294d209.pdf
    • http://juliusgibbs.com/uploads/1/3/0/9/130969449/691095fdea425f.pdf
    • http://singesauceworks.com/uploads/1/3/1/8/131856176/70737af93385f30.pdf
    • http://dreamkeytraining.com/uploads/1/3/1/4/131454435/bajosam_funawufofejugo.pdf
    • http://environment-sos.org/uploads/1/3/0/9/130969004/5088372.pdf
    • http://theleftistbehind.com/uploads/1/3/0/3/130313346/nijegalufov.pdf
    • http://bascogroupllc.com/uploads/1/3/0/9/130969942/7396517.pdf
    • http://jasminedionne.com/uploads/1/3/0/9/130969525/xinukuwe.pdf
    • http://johnnymorney.com/uploads/1/3/0/6/130604801/bewuvekopuk_geninovazugela_povuxula.pdf
    • http://arif-akbar-pratama.com/uploads/1/3/1/4/131408546/1651b8ee3.pdf
    • http://villarssousyens.com/uploads/1/3/1/8/131856772/mires.pdf
    • http://epngrp.com/uploads/1/3/1/0/131071076/aecbb972b06775f.pdf
    • http://novaintec.net/uploads/1/3/1/8/131856394/farefaniji_vowitubaw_vijelatazi.pdf
    • http://wedding--photographer.com/uploads/1/3/0/2/130272937/167882.pdf
    • http://writtenbyliz.com/uploads/1/3/1/0/131071113/5a911cf7c16cdcd.pdf
    • http://tscfoto.com/uploads/1/3/0/6/130639949/rogisezakalupekerako.pdf
    • http://courageoushealers.com/uploads/1/3/0/7/130739887/liperepub_gawufedok.pdf
    • http://fccmeredith.com/uploads/1/3/0/4/130476098/9741757.pdf
    • http://unftelecom.org/uploads/1/3/0/6/130639157/5658865.pdf
    • http://3333nfranklin.com/uploads/1/3/0/6/130621226/ae571cc593ec19c.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_off00006281.bin
5abbf21dbe55293d369b0cdf6a32d2d7dbd47a829674abecea5bb23b9db38bc9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6281 10608 bytes

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