Malicious PDF — malware analysis report

Static analysis result for SHA-256 d0c5422679aa36c6…

MALICIOUS

PDF

47.4 KB Created: 2020-03-20 10:50:58 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 7bb79c702a5f328649cf6c1c6e6abed9 SHA-1: a0d831629758f4aadcf1fdca8e1e0bd789c621b9 SHA-256: d0c5422679aa36c6f7a00ae90bc256ecbe791f329334677db83ca40aae6a4fa2
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links lead to various domains, suggesting a link farm or redirection scheme. The document body, though partially corrupted, contains text related to 'jk rowling quotes' and the authoring application 'wkhtmltopdf', likely serving as a lure to encourage users to click on the embedded malicious links. The primary intent appears to be directing users to a large collection of external PDF files.

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://clovercreeksoap.com/uploads/1/3/0/5/130588856/130588856.html#very+good+lives+jk+rowling+quotes
    • http://under21.life/uploads/1/3/0/7/130776249/witebaxuxepipisi.pdf
    • http://matilijacanyonranch.com/uploads/1/3/0/9/130969945/sokuf.pdf
    • http://longlifetherapy.com/uploads/1/3/0/8/130815351/xaxoji.pdf
    • http://www.everythingbusiness.shop/uploads/1/3/1/0/131071066/febebamusiwipo_jowawuken_zovedoge.pdf
    • http://seikbeats.com/uploads/1/3/0/4/130478205/5011934.pdf
    • http://mombodfitness.com/uploads/1/3/0/3/130313026/93f7d21b1a3.pdf
    • http://japservicesllc.com/uploads/1/3/0/3/130313243/pikobojefug.pdf
    • http://autodiscover.s-97.com/uploads/1/3/0/4/130476144/4465200.pdf
    • http://dynamiteconventions.com/uploads/1/3/0/7/130740385/5414376.pdf
    • http://treetopreptile.com/uploads/1/3/0/7/130739480/pezewizejalelu.pdf
    • http://www.keoconsult.com/uploads/1/3/0/2/130273978/4724316.pdf
    • http://alexraco.org/uploads/1/3/0/7/130740097/2d0e0e145e38.pdf
    • http://lehmers.viewourbenefits.com/uploads/1/3/0/2/130271016/4860114.pdf
    • http://stmargaretbiglake.com/uploads/1/3/0/6/130604446/guwivesutugizobelu.pdf
    • http://dealershipaccounting.org/uploads/1/3/0/5/130588221/sozogositotase.pdf
    • http://antiquefest.org/uploads/1/3/0/5/130588861/dozerokupabola_siwuxega_botunaworixalaf_nepizaxa.pdf
    • http://northcreative.com/uploads/1/3/0/4/130483542/xenut-boberalisikit-fuwivepa.pdf
    • http://www.dachatheater.com/uploads/1/3/0/7/130775819/wulafoposakot-zegene-vogatavixato.pdf
    • http://www.engineersci.com/uploads/1/3/0/5/130550681/mavaxiboduvaditotub.pdf
    • http://troutboss.com/uploads/1/3/0/3/130312925/zuwit_ragosigijose_nafunubizulo.pdf
    • http://www.bipolarstarguide.com/uploads/1/3/0/6/130604056/xoduw.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_off00009359.bin
0f6f8adb5d327b6d8d8f5dd70f7c0c659e38aa13e558ee8f0f8a173a015004fb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9359 7320 bytes

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