MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution scheme. The document body was heavily obfuscated and unreadable, providing no direct content clues.
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 http://paynechapelduquesne.org/clients/9/9b/9b910c66cef3ae2d1bb1fd5804160a19/File/91103895803.pdf
- https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/c69ce49076d252ce39f35387e50ca4f3/69510892287.pdf
- https://www.bocamvigliesrooms.com/wp-content/plugins/super-forms/uploads/php/files/f03014a28c87d75f250ca28989f27660/baxogiliwuvumexemuwuvu.pdf
- https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607a26911cc38---49237866651.pdf
- http://bbfrontedelmare.com/userfiles/files/36393177978.pdf
- http://dodici12.ru/wp-content/plugins/super-forms/uploads/php/files/qk9srjmsf83j3qr5rm6aik8a30/75572228284.pdf
- http://perfectthesale.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a1466f2e5d---lexewoseb.pdf
- http://tecsun-moscow.ru/docs/file/duvinojopajozawikida.pdf
- http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/160944bf59b94e---91303064293.pdf
- http://ohana1bbq.com/uploads/files/45937418799.pdf
- https://www.couleurs-et-jardin.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160c28a8abacd9---pijelinakanebebu.pdf
- http://pokorny-podlahy.cz/UserFiles/File/34497675598.pdf
- https://icbacademy.com/upload/files/lagofidili.pdf
- https://utilitydiscount.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b1f7e2af17a---55722558700.pdf
- http://busankid.com/webfiles/board/file///60203189180.pdf
- http://imhkayseri.com/resimler/files/jegopitifem.pdf
- https://masterpieces-mallorca.com/wp-content/plugins/super-forms/uploads/php/files/e0ee18350a42de86e08a4863741a8b6e/20838977490.pdf
- http://dbjhockeytournament.com/clients/f/f9/f9ff496842c877cbb4522510b668f2a2/File/xebixomugafasub.pdf
- http://mitcostruttori.it/userfiles/files/xewejofinuxedebafogi.pdf
- http://murphysbeads.com/clients/54316/File/tufixanexoxarofi.pdf
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fd9d9b0066---julofoju.pdf
- http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8e2a061f5b---wowubabobetajap.pdf
- http://staging.impactredevelopment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097116e21962---joveduw.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=icnd1+exam+questions
- 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_off0000e8fb.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8FB | 16792 bytes |
font_01_sfnt_off00010112.bin71c35a71d3c3f99877a54e12a21499bf85a89098bd5b539fbc79980f1716efb0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10112 | 10736 bytes |
font_02_sfnt_off000119a1.bin64da19dcf70606954e8ff05b9e6690a15317414322b1e677053c7b546d4243ef |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119A1 | 18100 bytes |
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