MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains a link farm pointing to numerous compromised WordPress sites and disposable hosting domains, suggesting an attempt to distribute malicious content or phish for credentials. The presence of external URIs and a link farm indicates a likely spearphishing attachment used to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9932
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://inwebjor.ru/uplcv?utm_term=how+to+download+kmtc+application+form PDF link annotation
- http://bkdesign.ee/userfiles/file/66879211902.pdfIn PDF document text
- https://cedarcreeksauce.com/wp-content/plugins/super-forms/uploads/php/files/7671cb872b3ae2abf2038285307e9e65/nekinavetixogubi.pdfIn PDF document text
- http://redwoodpwr.com/wp-content/plugins/super-forms/uploads/php/files/eijpkb89ndojeq48ebi2q1etr6/62901742303.pdfIn PDF document text
- https://www.expoagrogto.com/wp-content/plugins/super-forms/uploads/php/files/l8mkemt0j57lqbt987n36g6ge3/20312189569.pdfIn PDF document text
- http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160a6fbfd3cd54---41323891141.pdfIn PDF document text
- https://haps.company/wp-content/plugins/super-forms/uploads/php/files/3lkuepbeullm7gk2n8kdulfa73/40682776512.pdfIn PDF document text
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607b692f79759---wuzegatowisesamevotumezu.pdfIn PDF document text
- http://www.barbazan-debat.fr/ckfinder/userfiles/files/xesixipedixelewele.pdfIn PDF document text
- http://firewheels.pe/userfiles/file/dolozumawowuletukigages.pdfIn PDF document text
- https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/f02162e9dfef6f4684cf868a94e4c08e/17913969168.pdfIn PDF document text
- https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607036ea7faca---27237224071.pdfIn PDF document text
- https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/c42e3b978e3c76a10ede79b555969b45/lizonubuxefo.pdfIn PDF document text
- http://amexeuro.com/an3_Uploads/file/9140396538.pdfIn PDF document text
- https://landatur.com/files/galeria/files/sixazesiwa.pdfIn PDF document text
- http://bitite.lv/media/txt/122/file/50870510540.pdfIn PDF document text
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cc53ea0b4c---4811013007.pdfIn PDF document text
- https://davaocarrental.com/images/file/20340682285.pdfIn PDF document text
- https://southtours.com/wp-content/plugins/super-forms/uploads/php/files/a5ce9gguqcoi4b1vi0mlfcr1ip/24933027805.pdfIn PDF document text
- http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/qkcfaj9spn8qu8roo4hn1b18ap/77954361425.pdfIn PDF document text
- http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/16076349b85b4f---watisakewima.pdfIn PDF document text
- https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/0894327cb17e7ea73b4749da7be1049d/28705783159.pdfIn PDF document text
- https://singaporeroadshow.com/wp-content/plugins/super-forms/uploads/php/files/eb487b5e314321dcc484bb3e0bcd8395/7373726587.pdfIn PDF document text
- http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1607a2315eae18---nasoxidito.pdfIn PDF document text
- http://zonwering-belgie.be/ckfinder/userfiles/files/gajalujebiz.pdfIn PDF document text
- https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/ac4ac43192fadfef2d12319d6e789609/35431280385.pdfIn PDF document text
- http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/160887186a8f28---narofebuwa.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_off00010a90.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A90 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000122a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122A7 | 10648 bytes |
SHA-256: 510013cd692fecf6734bdc4db68eafedf54e2a869659d9a4ef3cefdf66db47d5 |
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font_02_sfnt_off00013af7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13AF7 | 17524 bytes |
SHA-256: 389c8ab79e9a3502e34481eb0c46d529c3e986e97f6cfbe61eba0b6774ae80c3 |
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