MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm with numerous URLs pointing to compromised WordPress sites and disposable hosting, indicating a phishing or redirection attempt. ClamAV detection and ML classification strongly suggest malicious intent, likely to deliver a secondary payload or lead users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a2e96eaa35---76393603460.pdf
- http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160a06a8d2833d---xolesir.pdf
- http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f9e341e5c4---76323931816.pdf
- https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/4o3vcqk85nrsc47s6gqe1ar87j/patokanad.pdf
- http://naitikfashions.com/ckfinder/userfiles/files/41935450850.pdf
- https://sieompaysdebray.fr/lesiom/txt/imgadmin/file/41691275280.pdf
- http://baovephuongtroi.com/vietkiendo/upload/file/sowilagife.pdf
- http://coimbrasoftware.hu/images/uploads/files/dusolegadufetomowi.pdf
- http://sazjah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cded04d913---79876262695.pdf
- https://hoatuoi360.vn/uploads/files/musuxagimuzupiwogag.pdf
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/pds4grfn9tnno0bi60pf7eivr2/72417611538.pdf
- http://ekonopuntos.com/campannas/file/botubomowijisivag.pdf
- https://jotelek.hu/files/file/loguveriduwi.pdf
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/fa72ca5837b6feb6ce1fc13d81df8870/jaluzobesowazexigonos.pdf
- http://sklepjola.pl/userfiles/file/66002175155.pdf
- http://alburigiott.it/userfiles/files/lipotis.pdf
- http://broadgatecapital.com/userfiles/file/19715781241.pdf
- http://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16084ffcac4c23---84310010677.pdf
- https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/0499a0458c89538f06c58d84e46d3c15/59379988422.pdf
- http://csc0731.com/userfiles/file/20210615031952_go4dca.pdf
- https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/bna8rkglouojccb8rn3nc3gsh6/refisuxalam.pdf
- http://nuestrasenoranm.org/clients/8/88/88a18899c67a61641ca1f7d027daa919/File/xenigidapepodewatazowu.pdf
- https://www.mysmilestudios.com/wp-content/plugins/super-forms/uploads/php/files/dd15d65ba3b95cb3eb23853410404dc3/fowuvozababukomi.pdf
- https://boucherienabli.com/uploads/FCK_files/file/58084573179.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=acronym+quiz+and+answers
- 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_off0000f2cb.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2CB | 16792 bytes |
font_01_sfnt_off00010ae2.binca880d0f91a1e52ef6c0581db01b8db8e974fc0ef6fb0321b6d971dcb71d28a7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AE2 | 10876 bytes |
font_02_sfnt_off000123ea.bin2e9c558df9ab072d04d8ad109eda48ce8c53abaef0a039b1a0f8fb5cd57b09c7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123EA | 18344 bytes |
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