Malicious PDF — malware analysis report

Static analysis result for SHA-256 c109709309cb163f…

MALICIOUS

PDF

35.0 KB Created: 2020-03-16 13:14:42 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 76381bc5c52e8c557825ff4ea8f7dd52 SHA-1: d223e279254270791b03ca914fcf4c8f6941f086 SHA-256: c109709309cb163f7922ffade03aee08760baddb7f888cda07710cadbce4e269
62 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1566.001 Spearphishing Attachment T1204.002 Malicious Link

This PDF document contains a large number of external links, a technique often used for SEO poisoning or to redirect users to malicious content. The document body itself contains a reference to 'blurryface live mega' and includes several URLs that point to PDF files hosted on various domains, suggesting a link farm or redirection scheme. The primary attack pattern involves directing users to a network of SEO-optimized 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://enrte.salon225.com/uploads/1/3/0/7/130776616/130776616.html#blurryface+live++mega
    • http://kitshopworkwear.co.uk/uploads/1/3/1/0/131070071/wedoxuzita.pdf
    • http://www.cchscrew20172018.com/uploads/1/3/1/0/131070508/b642d448ebd0.pdf
    • http://aicapsule.com/uploads/1/3/0/5/130538891/joxisojupanexenebo.pdf
    • http://zenburner.com/uploads/1/3/0/7/130775536/12135.pdf
    • http://www.nearshoresports.com/uploads/1/3/0/7/130775984/dinugegi.pdf
    • http://agguidanceconsulting.com/uploads/1/3/0/4/130436357/xusimun_mekater_mevul.pdf
    • http://sdkuykendall.com/uploads/1/3/0/7/130776542/8545910.pdf
    • http://dzaka1908.com/uploads/1/3/0/5/130590503/fomamofon-siwobolu.pdf
    • http://mx.woodsidenurseryandgarden.com/uploads/1/3/0/9/130969199/zanukewot_zokil_zasapofe_jofosuw.pdf
    • http://handygeekpro.com/uploads/1/3/0/4/130483512/452507.pdf
    • http://12x-hybridmuscle.com/uploads/1/3/0/2/130289346/0bb45776cba.pdf
    • http://www.tygoyachts.nl/uploads/1/3/0/7/130739454/wisibunugali_teguni.pdf
    • http://abilenehormonalwellnesscenter.com/uploads/1/3/0/6/130620823/9327958.pdf
    • http://mta46.somekindofsimple.com/uploads/1/3/0/6/130604402/fedadovujawimuxibaga.pdf
    • http://www.cnichollswriting.com/uploads/1/3/0/6/130621903/wozaforigogiteri.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_off00006072.bin
da467be259db5844b0edaf299194c65195a76a634549e2d116ec3a1b44e45106		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6072 7976 bytes

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