MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and an ML classifier as malicious, with ClamAV identifying it as a phishing trojan. The file functions as a link farm, containing numerous embedded URLs that point to compromised WordPress sites. These links likely serve to redirect users to malicious content or phishing pages, a common tactic for distributing malware or stealing credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9848
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://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/122c4vvr3b4k7gpubrnr84fb2a/ribolozujekonaxinuverineg.pdf
- https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/e324244bb037e7985347599618bae154/47948007187.pdf
- https://www.lavishlook.se/wp-content/plugins/super-forms/uploads/php/files/7b9a52bf9069601e61edb9a09e98867e/85075904767.pdf
- http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609066a377762---80282590424.pdf
- https://phoenixknights.co.uk/wp-content/plugins/super-forms/uploads/php/files/c77b6160d6ef9adb02a1d417fa4bcc4f/63899476683.pdf
- http://absolutelyneon.com/userfiles/file/tedufugowugavilu.pdf
- http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/nf7dr3vr3l4e7h6aetbrbs0b4b/72097928050.pdf
- https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089db7d940aa---66089603837.pdf
- http://bennyhigh73.com/clients/3/33/33ce00c6a031cf3b17a3dcf69aaa7594/File/koxifujupuzapa.pdf
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160752b0b81640---varuvikefaxupujapexito.pdf
- https://deltarents.com/upload/ckfinder/files/vupad.pdf
- https://vandolderskb.com/images/usr/ganufu.pdf
- http://agapetown.net/ckfinder/userfiles/files/90453403523.pdf
- http://tamlaproject.com/userData/board/file/xotilokosozanom.pdf
- https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1a90251317---51818421310.pdf
- http://www.socalgreatwhite.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093e28f50cf2---66325444913.pdf
- http://jhferry.com/data/fckeditor/file///kenolibetanixapapadiramud.pdf
- http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/16072f93d8138b---femasopenoniz.pdf
- https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160899b88de248---79284417300.pdf
- http://riccaassociati.eu/userfiles/files/pomupexud.pdf
- http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16073784176334---kinenuwurot.pdf
- http://distributoram.com/files/file/33734231436.pdf
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/9hu89vt9mjtcslqu6qsci84e30/35871178599.pdf
- https://bkht.vn/userfiles/file/tijewalulazedomatekud.pdf
- https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d4cbe47362---zuvebuwikodobewu.pdf
- https://partnyor.az/userfiles/file/gugegomowop.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=a+will+to+power
- 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_off0000ee13.bin72f136a1f03938fa8cd6d89f3fee84ebc7074cee523c9b5e16d8f8a5260afd9f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE13 | 17300 bytes |
font_01_sfnt_off00011b94.bind5b9d3ed7e7298f6155ff66d5d215159c242fec4b4600b608dbcba8ed18caaf9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B94 | 9876 bytes |
font_02_sfnt_off00013180.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13180 | 16792 bytes |
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