Malicious PDF — malware analysis report

Static analysis result for SHA-256 585f400c26e82ae1…

MALICIOUS

PDF

39.1 KB Created: 2020-03-22 09:30:47 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 96531d18bc8cfdd94622dfd425cd6482 SHA-1: c0a128b246871cbd752a78e841ffac537c708919 SHA-256: 585f400c26e82ae14740ae7873e4494c89e997eba70fe4371b792d9edc98c617
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, many of which are numerically or generically named, suggesting a link farm designed to manipulate search engine results or distribute malicious content. The document body, though partially corrupted, contains text related to 'citing world health organization in mla' and mentions the wkhtmltopdf tool, indicating a potential lure to a fake academic or informational resource. The primary attack pattern involves directing users to external URLs, which could host phishing pages or malware.

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://befreetherapy.com/uploads/1/3/0/6/130604179/130604179.html#citing+world+health+organization+in+mla
    • http://laughingfinchfarm.com/uploads/1/3/0/6/130639249/3774857.pdf
    • http://www.livoniafranklinsoccer.com/uploads/1/3/0/3/130379504/4337540.pdf
    • http://fosconline.org/uploads/1/3/0/4/130489241/wobipudujatupetadoli.pdf
    • http://prisonlifeline.net/uploads/1/3/0/7/130775990/rezekiwixu_mupoxemivanoso_namelaxa_genudaraze.pdf
    • http://bethbailis.com/uploads/1/3/0/7/130738803/togebemijudebekov.pdf
    • http://sacredselfempowerment.com/uploads/1/3/0/2/130272350/fb2e509b3f.pdf
    • http://merchantclass.ca/uploads/1/3/0/2/130289395/popunizososupi-setolobaxoxeb-zeduwijelisom.pdf
    • http://zealventures.net/uploads/1/3/0/7/130776714/4401862.pdf
    • http://mybiohelp.com/uploads/1/3/0/5/130538959/9815706.pdf
    • http://218a4293p9rb.com/uploads/1/3/0/4/130483550/49bf13.pdf
    • http://clarakalidesigns.ca/uploads/1/3/0/4/130488955/wuveg.pdf
    • http://aranstudio.fi/uploads/1/3/0/8/130874001/rodexarepifuvo.pdf
    • http://kenkeefe.com/uploads/1/3/0/3/130323406/pexuvep-rejezofabov-kixabexaxediv.pdf
    • http://whatisgenius.com/uploads/1/3/0/5/130550953/3db62b61fdb.pdf
    • http://poshexecutivetravel.com/uploads/1/3/0/6/130621703/zimetalodez-sonasagu-savevuvew.pdf
    • http://investnurself.com/uploads/1/3/0/5/130588282/gisusamele-vuwow-gedavewep-binijidugak.pdf
    • http://seanmowens.com/uploads/1/3/0/7/130740124/c13388f.pdf
    • http://swingingcool.ch/uploads/1/3/0/6/130621447/jidezi_telijarav.pdf
    • http://janeelizabethhealing.com/uploads/1/3/0/2/130271132/lusanupu.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_off00006f31.bin
3ef2d86b5dcb9138f91f14d8dc7248877244f9bf50aefd3d67aec9a4bfa70af3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6F31 8268 bytes

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