MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URIs, many pointing to disposable domains and a raw IP address, indicative of a link farm. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution. The presence of external URIs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic point towards an attempt to distribute malicious content or phish credentials through a network of linked documents.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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://ydyb.com/filespath/files/20210911084637.pdf In PDF document text
- https://franchisefarm.franchiseharbor.com/files/files/43370483469.pdfIn PDF document text
- http://tencanpowder.com/d/files/41506732215.pdfIn PDF document text
- https://dd-inside.de/userfile/file/In PDF document text
- https://nacituran.com/userfiles/file/63415133513.pdfIn PDF document text
- http://monikaknoblochova.com/userfiles/file/63884813112.pdfIn PDF document text
- http://studioriboldi.eu/userfiles/files/pamazuvovuzowimel.pdfIn PDF document text
- http://flywings.sk/UserFiles/file/25261913934.pdfIn PDF document text
- http://gemcom.org/userfiles/file/91303051669.pdfIn PDF document text
- http://185.33.116.145/~acus01/upload/files/87774952119.pdfPDF link annotation
- https://vico-inmobiliaria.com/ckfinder/userfiles/files/sobax.pdfIn PDF document text
- http://police8coop.com/UserFiles/file/32641540243.pdfIn PDF document text
- http://arcstema.com/userfiles/files/pirotinusazalidivatudebeg.pdfIn PDF document text
- https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140b1782c5dd---libuxufedimedopefi.pdfIn PDF document text
- http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/161496734ba5f5---kopefuzetumenefo.pdfIn PDF document text
- https://alarrabnews.com/images/content/content/file/83746548471.pdfIn PDF document text
- https://jackinthegymtpe.com/uploads/files/202109070517323797.pdfIn PDF document text
- http://emusicmarket.com/upfile/board/files/xagawajadumigirabo.pdfIn PDF document text
- http://leprofit.ee/cmsfile/contentfiles/wevosivibi.pdfIn PDF document text
- http://ambulanceservice.pl/userfiles/file/fudarewovidogisuvivejake.pdfIn PDF document text
- http://itagqatar.zajeltel.com/itag/file/files/nanoripixuzek.pdfIn PDF document text
- http://tjsyjdq.com/v15/Upload/file/20219522504840.pdfIn PDF document text
- http://alfavs.eu/userfiles/file/vanezenegipabuse.pdfIn PDF document text
- http://landpas.pl/upload/file/11877138398.pdfIn PDF document text
- https://qigoodteam.com/uploads/files/202109050004548083.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=gta+5+app+mobi+without+verificationPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d7a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7A9 | 18564 bytes |
SHA-256: 6251371e79a4541c1bad04b82116da7392ab4aa4b3857267a91ec25c47a04a09 |
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font_01_sfnt_off00010743.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10743 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011f5a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F5A | 11096 bytes |
SHA-256: 4d88e5e6cd783c1d25d909bb28e511c53b8c4d475ff12c0e67f3663ec07dd937 |
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