MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to other PDF files hosted on compromised websites. Heuristics indicate this is a link farm designed to distribute further malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://ckrestaurantgroup.com/ckfinder/userfiles/files/jonadedajedab.pdf
- https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b7f6b67be00---92301300614.pdf
- http://luingpyrex.cz/foto/Image/file/fejetafaxikogabox.pdf
- https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af210e1b43e---90633154666.pdf
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160a531dfe05a5---toxoredusuwa.pdf
- https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/a515b731622b9cb88e944dde86a41cfd/52290009461.pdf
- https://discoverapartmentsforrent.com/wp-content/plugins/super-forms/uploads/php/files/f7bc8ab80a0fb9959845604100022261/rimawisipux.pdf
- http://darec.sk/files/files/devojutif.pdf
- https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9bf4971ea---larore.pdf
- http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1607df9aeb7cc9---mariroxanobirexejajajekix.pdf
- http://grandchainfamilyfoundation.org/clients/85333/File/34899707452.pdf
- https://leganordavigliana.it/uploads/file/musefugokobesisexa.pdf
- https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/210672b1f3de8a1a7aaee8a733cb14eb/pibego.pdf
- http://carolinaboatclub.com/userfiles/file/gowaboxemububalexap.pdf
- https://useoneconvo.com/wp-content/plugins/super-forms/uploads/php/files/6801b0a497f6941941899ae2b3b6a850/43220864185.pdf
- http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/160cfd9400e02a---nixuvela.pdf
- https://xehowo24h.com/images/ckeditor/files/madinalininevav.pdf
- http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1609452241405b---sigunoguturifedoronomugu.pdf
- http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/160848ecca59bb---vivadojoroturevogobiki.pdf
- http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075070a628b2---nuvuzujulefu.pdf
- https://papiratisk.cz/soubory/51697613328.pdf
- http://juniorsmagazine.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089f30a50a09---16994604709.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=integumentary+system+anatomy+and+physiology
- 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/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f584.bin3528eba40b191afee1dd2e4289f8f0f98ea053cd1faa2041bad6e731f8d0a874 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF584 | 17000 bytes |
font_01_sfnt_off00012155.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12155 | 16792 bytes |
font_02_sfnt_off0001396c.bin2904eee0bd3d708809953f04d043b40e66d2c6ed3785e379f05cf52a5a858667 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1396C | 11004 bytes |
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