MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, with numerous URLs pointing to compromised WordPress sites. These links are likely used to distribute phishing content or further malware payloads to unsuspecting users.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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 https://philabc.ru/uplcv?utm_term=show+chat+on+obs PDF link annotation
- https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083b19d6a916---89974411187.pdfIn PDF document text
- https://globalazeri.az/wp-content/plugins/super-forms/uploads/php/files/18i785oin0qul9db3k4gslevk4/99666558210.pdfIn PDF document text
- https://hosvagyok.hu/userfiles/file/ninilenaze.pdfIn PDF document text
- https://wendi101.com/userfiles/file/10155067403.pdfIn PDF document text
- http://meyergarden.com/ckfinder/userfiles/files/64131301092.pdfIn PDF document text
- https://iwnta.com/userfiles/file/95901959235.pdfIn PDF document text
- http://naturalmis.com/userfiles/file/41278661466.pdfIn PDF document text
- http://rokakisreunion.com/clients/a/a8/a85ca1e4cfc2bb88d767af442173b437/File/nimezonubakinajereruz.pdfIn PDF document text
- http://mirandatutoringcentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16094c7d36d0ed---17085130267.pdfIn PDF document text
- http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2cb6acd3d5---xosijumedabovowak.pdfIn PDF document text
- http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b790f719a4---46664747134.pdfIn PDF document text
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b0d126820a---fumosizexedajobof.pdfIn PDF document text
- http://animalscipublisher.com/files/upfiles/file/7247668171.pdfIn PDF document text
- https://diaochue.vn/userfiles/file/lakasowag.pdfIn PDF document text
- http://livestreaming.group/wp-content/plugins/super-forms/uploads/php/files/gg0s0p9jsjmjsm6oi9aunfgh8l1dj3eg/33373538024.pdfIn PDF document text
- https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c94062152f0---35725368785.pdfIn PDF document text
- https://btegypt.com/file/terufok.pdfIn PDF document text
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/16093f680d4737---zapatujulogajobavawud.pdfIn PDF document text
- https://bettyloupaints.com/userfiles/files/61321147686.pdfIn PDF document text
- https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/ftbrpkcak1js8hs7dfq6ku60qu/nitujozuvogegore.pdfIn PDF document text
- http://jarosi.hu/files/file/rofamunaxulikobaxagu.pdfIn PDF document text
- https://betenagro.com/sites/default/files/file/gigesufadowimipojazo.pdfIn PDF document text
- https://dodomacnosti.net/data/file/savixowazilobubanilapakaf.pdfIn PDF document text
- http://djarkitek.com/temp/vinney/HTML/userfiles/file/rezagigatobo.pdfIn PDF document text
- https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/e42725c4bd7cff6e9c87340c8fb66c31/97107869189.pdfIn PDF document text
- http://amirafouad.com/uploaded_files/file/mazuwami.pdfIn PDF document text
- 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_off0000f5e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5E0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010df7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DF7 | 10260 bytes |
SHA-256: cbb5ad51895dc194fc347a4cf33b10787e869bfab5a59720f86db470356ae9fd |
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font_02_sfnt_off00012514.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12514 | 17396 bytes |
SHA-256: 84ebabca1dea2a0851f7451d9fe5615551fc455d930fd5e978768e856e2665ed |
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