Malware Insights
The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various PDF files hosted on different domains. The ML classifier also strongly indicated maliciousness. The document body, though partially corrupted, contains references to 'Bounty hunter darkest dungeon build' and the authoring application 'wkhtmltopdf', suggesting a lure or a method for generating SEO-optimized content. The primary attack pattern appears to be a link farm designed to manipulate search engine results or distribute further malicious content via the linked PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
Heuristics 4
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne 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://harrisonrappaport.com/uploads/1/3/0/6/130605168/130605168.html#bounty+hunter+darkest+dungeon+build
- http://garrettgroupusa.com/uploads/1/3/0/5/130542773/869193.pdf
- http://ikwildieboot.nl/uploads/1/3/0/2/130291596/ae4f6467ca.pdf
- http://towingandtransportation.com/uploads/1/3/0/5/130550846/9072701.pdf
- http://fromshiptoshape.net/uploads/1/3/0/5/130588477/wapuzevuma.pdf
- http://englandtillidie.org/uploads/1/3/1/6/131606434/74e64a41eb135.pdf
- http://essentialspaceplanning.com/uploads/1/3/0/9/130969462/sebuwipojor.pdf
- http://virtualdigitalbank.net/uploads/1/3/0/6/130604804/dijef.pdf
- http://overpochsmostwanted.com/uploads/1/3/0/8/130814933/xemegu.pdf
- http://littlelovebowtique.com/uploads/1/3/0/2/130289482/7926445.pdf
- http://menallenfriends.com/uploads/1/3/0/9/130969915/8307bc84cc.pdf
- http://theplugreferralservice.com/uploads/1/3/1/4/131437420/6318478.pdf
- http://millennial-media.net/uploads/1/3/0/5/130545537/juweribuvova-jopinud-kifukojupikexef.pdf
- http://jenniferstimsonnutrition.com/uploads/1/3/0/2/130272638/3483394.pdf
- http://splash111mobiledetailservi.com/uploads/1/3/1/3/131380969/fovorafunukapenisawa.pdf
- http://silverstatequills.com/uploads/1/3/0/6/130639511/3a7b7620be.pdf
- http://ldsdailyscripture.org/uploads/1/3/0/6/130620942/vojedako.pdf
- http://utsedsoc.com/uploads/1/3/1/3/131380087/a038f13d7.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.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000666d.binad20a3793930a99d0fb76e765a4a6cba9a6f93413b9f4cb2fa098a17cab972c9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x666D | 10668 bytes |
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