Malicious PDF — malware analysis report

Static analysis result for SHA-256 d531f29c0f4d4103…

MALICIOUS

PDF

48.1 KB Created: 2020-03-24 09:04:36 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 40de94b4d0d7468896b1a45d476c5fdd SHA-1: b5da870846ae4d181dc17473f09db37be12e6337 SHA-256: d531f29c0f4d4103e027993eb7bff3487baa929d67beb8939afeb2005bc0b230
62 Risk Score

Malware Insights

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

This PDF file contains a large number of external links, many of which point to other PDF files hosted on various domains. The heuristic 'PDF_SEO_LINK_FARM' indicates that this is likely a link farm designed to manipulate search engine results or distribute malicious content. The document body itself is largely unreadable, but the presence of URLs suggests a redirection or download attempt. 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://thedogbedcompany.net/uploads/1/3/0/6/130639800/130639800.html#relation+between+short+run+and+long+run+cost+curves
    • http://tiantianboshishicai.br3h.com/uploads/1/3/0/7/130738819/jatatopiget.pdf
    • http://secure.tpicorp.com/uploads/1/3/0/7/130738821/2328220.pdf
    • http://jemimapinkboutique.com/uploads/1/3/0/5/130589442/dupetutisakak.pdf
    • http://businessforsaleinsequim.com/uploads/1/3/0/2/130272862/fowodogulasikeb.pdf
    • http://calivanwyk.com/uploads/1/3/0/7/130739185/76ed6ab58c8be96.pdf
    • http://nationalbrainhealth.net/uploads/1/3/0/7/130775366/ad8d3.pdf
    • http://sanddigital.org/uploads/1/3/0/4/130483070/6296959.pdf
    • http://atomsphotography.com/uploads/1/3/0/7/130776823/varis.pdf
    • http://thetransformationinprogress.online/uploads/1/3/0/5/130588735/sosebirilesiberu.pdf
    • http://new.ilovemydadbod.com/uploads/1/3/0/8/130814676/tilubefo-paboget-gitanese-gegebijivowej.pdf
    • http://bbailey24.com/uploads/1/3/0/5/130589072/d9872d9c946.pdf
    • http://www.thethembaproject.com/uploads/1/3/0/7/130776688/797460.pdf
    • http://toothgirl.shop/uploads/1/3/0/2/130291544/gokoxofuf.pdf
    • http://detoxingkids.com/uploads/1/3/0/4/130488816/ruwelewuje.pdf
    • http://suitemeter.com/uploads/1/3/0/2/130289340/8682351.pdf
    • http://lilahsnow.com/uploads/1/3/0/6/130639641/mupowinivafor.pdf
    • http://hostmaster.alexanderswoodfloors.com/uploads/1/3/0/5/130539215/ponalaxixutosub_salevugobaje_zujarulelesamot_leraxubogawokak.pdf
    • http://trainupchildren.com/uploads/1/3/0/8/130873853/4009350.pdf
    • http://jimhartung.net/uploads/1/3/0/3/130324075/3dd9d2b4.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_off00009414.bin
7f8ab1160c3ede914631b07f4f739f03111ae71f9d42d8c0a876822ebefa0189		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9414 7836 bytes

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