Malicious PDF — malware analysis report

Static analysis result for SHA-256 e85794fc3776ea76…

MALICIOUS

PDF

37.2 KB Created: 2020-04-05 08:40:35 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 420b159c2e44137eb2c2b4808fcf796f SHA-1: 37c005be31c1d08657e093aaba0b45d915b768a9 SHA-256: e85794fc3776ea7641421864becb860d1992a43f1a62796086f640803e20ca8a
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. The document body text is largely unreadable, but the presence of multiple URLs suggests a link farm or redirection scheme. The primary intent appears to be directing users to a vast array of external websites, likely for SEO manipulation or to host further malicious content.

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://eco-friendlycleaningservices.com/uploads/1/3/0/2/130288394/130288394.html#productos+kimberly+clark+peru
    • http://corronfarmpreservationsociety.org/uploads/1/3/0/7/130739463/7244505.pdf
    • http://personalfinancehealth.com/uploads/1/3/0/6/130621555/jaguvedutawulu.pdf
    • http://twincityphotography.com/uploads/1/3/0/6/130622091/xenuvaworuxukasin.pdf
    • http://tagtranslations.com/uploads/1/3/0/6/130639973/gajokurifuwumagipanu.pdf
    • http://kaiasfitnessstudio.com/uploads/1/3/0/5/130590154/dorilowosafo-ledibogunevo.pdf
    • http://krownedbykenyakollection.shop/uploads/1/3/1/4/131437779/3796698.pdf
    • http://wildfolkmama.com/uploads/1/3/0/5/130540683/8564430.pdf
    • http://sisterjane.org/uploads/1/3/1/4/131407008/banaguka.pdf
    • http://fijamulder.com/uploads/1/3/0/2/130273752/281ab2476cb8.pdf
    • http://sadiebarr.com/uploads/1/3/1/3/131398182/mopopugamasasotogimu.pdf
    • http://the-paw-slinger.com/uploads/1/3/0/5/130546118/jelamusumugavovafedo.pdf
    • http://blackstruggle.com/uploads/1/3/0/6/130639034/8309387.pdf
    • http://claytonheightsacupunctureclinic.com/uploads/1/3/0/6/130620511/4816020.pdf
    • http://eliteweststaff.com/uploads/1/3/0/6/130620637/wekobodo.pdf
    • http://momsamplingclub.org/uploads/1/3/0/5/130539265/3484758.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_off0000669f.bin
79578380b91ca9380a82a0c5fdbd20e85f21c1a51687d02f265866af62e36ba4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x669F 9208 bytes

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