MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a link farm pointing to numerous compromised WordPress sites and disposable hosting domains, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to lure users to malicious content or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://zlato-eu.sk/upload/files/ropawonu.pdf
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/0ec43e5dc6402ae13fdaaf01399992e2/22102956989.pdf
- https://almuhja.net/ckfinder/userfiles/files/wubojopolapofa.pdf
- http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/93c6ffe6f432a52fd77d73060370a6aa/rejakejila.pdf
- http://lnianemarzenie.pl/userfiles/file/xijinibetoke.pdf
- http://ildungrice.com/fileupload/fckeditor/file/61055174821.pdf
- http://maslatalaia.com/userfiles/file/mesukubalojuxoparoganop.pdf
- https://sonntag-immobilien.lu/userfiles/files/12356046717.pdf
- https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/5ec69356336e5199780034f32522047a/45720210073.pdf
- http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/160c8fce46c17b---95531885691.pdf
- https://nnt52.ru/userfiles/file/17893416625.pdf
- http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081e3fd33abe---libufix.pdf
- http://www.lauricedale.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609d143e22748---5043210408.pdf
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/45c75c9b1000cdd0dff228a44bca7b4f/pufenepupodejo.pdf
- https://mrmusicfoundation.org/wp-content/plugins/super-forms/uploads/php/files/0ujgv20esdvbc5ovueu1vqgldh/52490619642.pdf
- http://drentmedischadvies.nl/uploads/files/80709800784.pdf
- http://shinies.ru/img/lib/file/60601532061.pdf
- https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/7044386a97127625404aad2a9fade57b/gokilunaxigebetixegenofo.pdf
- http://naturabliskociebie.pl/userfiles/file/88118124860.pdf
- https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075f6b6dad18---nafiladalugemalazoxul.pdf
- https://kitapkapla.com/upload/ckfinder/files/fexawadedopewotononosi.pdf
- https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/79eqral4693r7i0p3r37m5gdok/vapof.pdf
- http://lakehighlandsrw.org/clients/863582/File/kelugowurodavotone.pdf
- http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607190e6c1fb6---22300356934.pdf
- https://binarbaidequipment.com/public_html/userfiles/file/27989091938.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=monster+legends+how+to+breed+tartarus
- 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_off0000ed7c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED7C | 16792 bytes |
font_01_sfnt_off00010593.bin52ff8d9e3123b9e6069544ee674e7ecc6f39ce3e90f0603b73eb08e95bbd47af |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10593 | 10752 bytes |
font_02_sfnt_off00011e1b.bin1e14a57121ea3cc800806db4acc59e88bf3f6cd1511d3f588e74c353b0c3b198 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E1B | 17456 bytes |
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