Malicious PDF — malware analysis report

Static analysis result for SHA-256 b93d06ef9003da51…

MALICIOUS

PDF

34.5 KB Created: 2020-04-01 21:14:17 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 01a306a9ab19899dee1c3314d13e0e76 SHA-1: f6d9b58d9cfa83dda6a10c618201761d5a38c4c3 SHA-256: b93d06ef9003da51d8c31bd2199913340443e6cb97dd2f325cbb385c9d6ff5a2
92 Risk Score

Malware Insights

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

This PDF file contains a large number of external links, a common technique for SEO manipulation or distributing malicious content. The ML classifier strongly indicated maliciousness. The document body contains text related to 'Demon free mp3 download', suggesting a lure for potentially unwanted or malicious software. The primary attack pattern involves directing users to a vast network of linked PDF documents hosted on various domains.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://expertpeintureindustrielle.net/uploads/1/3/0/9/130968985/130968985.html#demon+free+mp3+download
    • http://artologi.org/uploads/1/3/0/2/130288563/fivezomaredato.pdf
    • http://aspire.ejrp.org/uploads/1/3/0/7/130739340/nofaw.pdf
    • http://navarrorachel.com/uploads/1/3/0/6/130639246/5647d1170b33f8f.pdf
    • http://ppdrenterprises.com/uploads/1/3/0/8/130814245/6650591.pdf
    • http://sunshinerestaurant.ca/uploads/1/3/0/4/130488085/siwilepofagaw-fowonim-xuposoguxivu-lizevajuna.pdf
    • http://goodfoodmovement.com/uploads/1/3/0/6/130639744/9193432.pdf
    • http://sgraci.com/uploads/1/3/0/3/130323220/rogejimedoge-lebizupubotadi-winabaf.pdf
    • http://cruzcookeportfoliointerfacesummative.com/uploads/1/3/0/7/130739254/7bd58.pdf
    • http://wattnotapp.com/uploads/1/3/0/6/130603926/925934.pdf
    • http://sharonthelibrarian.com/uploads/1/3/0/6/130620646/3341830.pdf
    • http://maxrestvidhost.com/uploads/1/3/0/3/130324340/vegonuxekadipeki.pdf
    • http://healingspringsretreats.com/uploads/1/3/0/6/130620912/ecfeb7a7.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_off000061ea.bin
a81eaf27c7ddc7d2aa29f481aa41af51e290d2afb9c597e26008fb282406fe0d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x61EA 6940 bytes

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