MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised websites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The PDF structure and embedded links are indicative of a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9936
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://audit-advisers.com/userfiles/file/regesowofubuvubuk.pdf
- https://ceilford.org/wp-content/plugins/super-forms/uploads/php/files/80ef850a2c45c07cc60b520341f9ac03/65971526416.pdf
- https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d032498029---23629628902.pdf
- https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/np3m7083ocl28i4vj0cou8tle2/pamud.pdf
- https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1607a0b70d7713---27094399165.pdf
- http://canxetaidientu.com/images/file/pofufuzepo.pdf
- https://mama-light.net/business_school/uploads/file/62486123397.pdf
- http://industrialdevices.in/uploads/xizejizavoz.pdf
- http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b1ffb3066c7---givuxuxopatewexelimetik.pdf
- https://hssanesteban.cl/files/litoroloxozurogopevoj.pdf
- https://agronlogistics.com/userfiles/files/sexubixexele.pdf
- http://primaneighbors.com/userimages/63501519497.pdf
- https://erdemlerkoleji.com/resimler/files/puveditakufuwa.pdf
- http://lafenicealcamo.it/userfiles/files/22852770951.pdf
- http://murphysbeads.com/clients/54316/File/sukudireno.pdf
- https://coimbatorepressclub.com/FCKeditor/userfiles/file/24748816086.pdf
- https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c5b1e67f1e---99499094246.pdf
- http://profisystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16087a025ed0ed---35392855891.pdf
- https://bibliotheque-des-arts.ch/ckfinder/userfiles/files/64349897347.pdf
- https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/6ed4b4fpr3ugpap8b97rbnulb6/nevatigor.pdf
- http://gorisum.net/fckeditor/upload_file/file/66382626489.pdf
- http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/16086ce3465cf5---24898824949.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0a8ee68e0e---gusajun.pdf
- https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/a4af1e915a65e19cb36204f013f291f7/rokatabipufiton.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=compare+and+contrast+essay+outline+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_off000115f5.binac4fe3339bef600d536a3e55d3a169f57273fc5ed2a9ca021b5f859f43783e74 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115F5 | 16632 bytes |
font_01_sfnt_off000140ed.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x140ED | 16792 bytes |
font_02_sfnt_off00015904.bin75bff270d00279e07f44c8dd0b6742a143a343c1913c9628cbed0f852c262939 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15904 | 11024 bytes |
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