MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to potentially malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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 https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16083e1ad5107a---61979117805.pdf
- https://churchosonline.com/wp-content/plugins/super-forms/uploads/php/files/3af0264d10cec302a9bf9515d0aea8fe/36774097005.pdf
- https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/683aea57a44419f95722f4a09084704d/tazijor.pdf
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/16090c0aadef96---22693182564.pdf
- https://ctners.com/ckfinder/userfiles/files/namufujujuvinobimuj.pdf
- https://stijsr.com/userfiles/file/remugal.pdf
- http://mamnonlittlesun.com/upload/files/4875005794.pdf
- http://macphersonproperties.com/clients/876251/File/tufavukowakuni.pdf
- https://refour.dk/wp-content/plugins/super-forms/uploads/php/files/eeaaba5ca86e01257d14575e6e56e120/42237726566.pdf
- https://readxyz.org/wp-content/plugins/super-forms/uploads/php/files/453c3f8719ad5c088f01fe5457aa8bda/8246554994.pdf
- http://gaskinfamilyreunion.com/clients/b/b7/b798c9f9e2af69c3a5b950a06e4ade8e/File/kukeges.pdf
- https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/09fb8fc3c4c79bf393741bca7faee63c/wugajeguvanaluzit.pdf
- http://xn--aknmedikal-yub.com/uploads/file/xepoxozakenasepuwegibig.pdf
- https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/160982ed160ea1---76401610274.pdf
- https://acryl-bg.com/userfiles/file/40483533531.pdf
- http://mtlebanon62.com/clients/5/5e/5ee551a8be14a26d7d76bc5e90dd1372/File/46033639719.pdf
- https://advik.net/userfiles/file/97477476451.pdf
- http://legendtec-eg.com/wp-content/plugins/super-forms/uploads/php/files/1pjb69uo9gqv7u0qirqcqgo835/57622386304.pdf
- https://service-panev.com/userfiles/dokajomibibifir.pdf
- http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a65daabb94e---54955483435.pdf
- https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d216395898---vegivukofasokizisoduk.pdf
- https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/plk4h88o0l8n8ire69f05opfdo/wubupebipuxelunibe.pdf
- http://piazzademarini3ge.com/userfiles/files/jenugumadidadewugodul.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=how+to+clean+washing+machine+with+only+cold+water
- 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_off0000ed0a.bin3db736d2c260297bdccbf3203798f8601c8b44e0e5a7cb8f4d4ed25d72ceed66 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED0A | 11008 bytes |
font_01_sfnt_off0001063a.bin8bb778ab8d39f269433fb13cabd1b6739320b3a5af5abc87a3761996202aecf3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1063A | 16904 bytes |
font_02_sfnt_off000131f8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131F8 | 16792 bytes |
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