MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous external links, many pointing to compromised WordPress sites and disposable hosting, indicating a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier strongly suggest this PDF is malicious, likely serving as a lure for phishing or malware downloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://synerhu.ru/uplcv?utm_term=the+classic+bestseller+mythology+edith+hamilton+pdf PDF link annotation
- https://mzr-avocats.com/buddha/ckfinder/userfiles/files/zosirag.pdfIn PDF document text
- https://tectrongim.com/uploads/file/52144253272.pdfIn PDF document text
- https://pelicanfinancialnetwork.net/ckfinder/userfiles/files/kepukamewuxutaj.pdfIn PDF document text
- https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/aelil52g48agllqlmvr5q2ulas/lososuwot.pdfIn PDF document text
- https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/1606f194aacc12---2726864546.pdfIn PDF document text
- https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/1d17b0a4f3681156de4f93475cc439af/bikezemuzegubugofibi.pdfIn PDF document text
- https://kodcomputers.ro/2664/uploads/wukagoxiwofuba.pdfIn PDF document text
- https://censcakmu.org/board/file/files/delos.pdfIn PDF document text
- https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/f961ade960f18386a9bf886dfdb85ae3/72804698880.pdfIn PDF document text
- http://bulmarconsult.com/files/wegisobigasazesovumunalu.pdfIn PDF document text
- http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d157d99798---2715936082.pdfIn PDF document text
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/161237ee2a0b21---37395395387.pdfIn PDF document text
- https://fwullong.com/upfiles/editor/files/wonubavapamovud.pdfIn PDF document text
- http://ubytovna-krumlov.cz/userfiles/file/73163920311.pdfIn PDF document text
- http://jualumnitoronto.com/editor/uploadfiles/xonuzuximufazokefumi.pdfIn PDF document text
- http://saharun.org/uploads/ckfinder/userfiles/files/34550349981.pdfIn PDF document text
- http://camwater.org/media/files/73355256227.pdfIn PDF document text
- http://alexhoffordphotography.com/temp/files/file/53218218107.pdfIn PDF document text
- http://ablerexthailand.com/userfiles/files/xegakedi.pdfIn PDF document text
- https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160853db11f620---60630907243.pdfIn PDF document text
- http://na-bytecek.cz/UserFiles/File/taparemumav.pdfIn PDF document text
- http://maduraigarlandshop.com/userfiles/file/doxuj.pdfIn PDF document text
- https://asoriofrio.org/ckfinder/userfiles/files/7876177907.pdfIn PDF document text
- http://henrycrawfordreunion.com/clients/1/19/1929e20d1ffebcad6d8b2a659e9c170d/File/nojobikafumurisib.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_off0000d304.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD304 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eb1b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB1B | 11284 bytes |
SHA-256: b1f13052e7fe3fbf7aca741d58085cd7edbd17ce1789151ad834a961b6f1960d |
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font_02_sfnt_off00010506.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10506 | 17232 bytes |
SHA-256: 8ec5ff329964ad72f4d2516731cb3c9d214178e81f7439f0fccbb53f96e13e57 |
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