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 as malicious, including a critical ClamAV detection and an ML classifier. It functions as a link farm, with numerous URLs pointing to compromised WordPress sites. These links likely serve as a redirection mechanism to deliver malicious payloads or phishing content to unsuspecting users.
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://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160877cbf22375.pdf In PDF document text
- https://www.reflectionuk.com/wp-content/plugins/super-forms/uploads/php/files/7p6gkn7hghru5difi9gampe59c/tekofafuwi.pdfIn PDF document text
- http://bajcsidavidfoto.com/_user/file/78748780224.pdfIn PDF document text
- https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160946efb38093---37718496045.pdfIn PDF document text
- http://portalpr-b2b.es/img/user///file/_0628874001624198748.pdfIn PDF document text
- https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/8e074e117c84eb5cd1b0246839da3424/53560354272.pdfIn PDF document text
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16092409fc6561---52962575416.pdfIn PDF document text
- http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1608361fa5d047---buputiredovuzelug.pdfIn PDF document text
- http://www.segurosfacility.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607e66c5e9740---gizejegegonoviwowaj.pdfIn PDF document text
- http://alibabashipping.com/userfiles/file/pogibofixofijafena.pdfIn PDF document text
- https://messianic.live/wp-content/plugins/super-forms/uploads/php/files/bdb19af0bd9e6248fdd68f729010ed5f/49878526241.pdfIn PDF document text
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160bfa0acaaf6c---13252026754.pdfIn PDF document text
- http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/57d98fc61a9e05afe4dd1fa6e5d55364/malab.pdfIn PDF document text
- http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/221uo0mn506bhonn4lot8l2372/kabovujumumapisivemuge.pdfIn PDF document text
- https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/4ovh0748hc7ka51r2ch5mrksfo/fuposuta.pdfIn PDF document text
- https://bnbcostaverde.it/userfiles/file/segiserizokegolaju.pdfIn PDF document text
- https://southtours.com/wp-content/plugins/super-forms/uploads/php/files/k77aqhouiuui9dt47etojc7d70/98048478081.pdfIn PDF document text
- http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/ca0fe2bf202919d04441d7520e421d69/4438315038.pdfIn PDF document text
- http://www.sempresaude.net/wp-content/plugins/formcraft/file-upload/server/content/files/16094435e8b01b---gubof.pdfIn PDF document text
- https://too.kg/wp-content/plugins/super-forms/uploads/php/files/ebf014dc2e90ae100dea3e67238bb6db/kejivatilamiwowumuzefaf.pdfIn PDF document text
- http://zhengfutz.com/v15/Upload/file/2021522928507999.pdfIn PDF document text
- https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/82412b735aefc21f363d191654e6716a/sulej.pdfIn PDF document text
- https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/350f27b4c6bbad61a6b7284931037a35/mozofegena.pdfIn PDF document text
- http://amexeuro.com/an3_Uploads/file/lufosun.pdfIn PDF document text
- https://damiel.eu/userfiles/file/62970154705.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=best+btts+for+todayPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eefd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEFD | 20864 bytes |
SHA-256: 2710c9711ec5a8889c5a221fc4346299b4faa20b00d16c34846a8d419f2ba21f |
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font_01_sfnt_off0001249f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1249F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013cb6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13CB6 | 10412 bytes |
SHA-256: ea1f1ac571530f716712688125354dc977da70cfa574e6e77c245175c1c7d9e3 |
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