MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a phishing or malicious content delivery attempt. The heuristics reveal it functions as a link farm, directing users to multiple external URLs, some hosted on compromised CMS uploads. The primary purpose appears to be redirecting users to potentially malicious or phishing websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://krajinar.cz/soubory/files/nawasepelit.pdf
- https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/bm79vgclm5tcvihj8bjmh602s9/34502447660.pdf
- https://genesislighting.net/wp-content/plugins/super-forms/uploads/php/files/dc696aed621c4b626ec201a93dbf673c/75761253545.pdf
- https://www.sibirprokat.ru/ckfinder/userfiles/files/fonuruvasinitobos.pdf
- https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/160dd8a00d3534---85766257421.pdf
- http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609ce565224ff---turuzometubopinew.pdf
- http://autoscuolauniversale.it/userfiles/files/ziguluxegaxegan.pdf
- http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099869db0451---98169294318.pdf
- http://abwessex.com/uploads/files/tezebuje.pdf
- https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/47bb21c2e4729e82aad2865defd3215b/tivuxeririsedomis.pdf
- https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/5af0ca61e53e88736259323c42f988ea/ruwujiminojis.pdf
- http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/16093d443a00ad---napofajijozisumujem.pdf
- http://hookmyweddingup.net/clients/73542/File/kuzasenija.pdf
- http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160a12748b6986---ritalod.pdf
- https://luminex.pl/upload/file/75190071479.pdf
- http://thuephotocopytaihanoi.com/upload/files/wijemifuru.pdf
- http://doktor-okonski.pl/uploadimg/file/dekire.pdf
- http://magooferta.pl/uploads/fck/file/nadukun.pdf
- https://calmoinc.com/upload/editor/file/gozogozova.pdf
- http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/1607120462f972---54493561851.pdf
- http://gemwishrs.com/ckfinder/stones/files/wofobuvamugodad.pdf
- https://e-lightingcontrols.com/wp-content/plugins/super-forms/uploads/php/files/8200dbccfd2efb49f5df187725ec7a23/jugilixitadim.pdf
- https://taptigrihnirman.com/singhania/downloads/file/78401567529.pdf
- http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/161328bdfe0f8e---93380081882.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=makalah+termoregulasi+pada+manusia+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/
- 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_off0000de10.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE10 | 16792 bytes |
font_01_sfnt_off0000f622.bin83ecc0ac6f263b65587813d3df0f551f5843e5dd1c238950564173a023b19519 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF622 | 16124 bytes |
font_02_sfnt_off00011fd4.bin2a0ec0923b4411662a0dbfe1513e4052f3b10c012f5d2e4c168fb1bafc885a9c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FD4 | 11132 bytes |
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