MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of embedded URLs, many of which point to compromised WordPress sites or other unknown hosts, indicating a link farm designed to distribute malicious content or phish users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware delivery via a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/161450250cc7f6---95892240612.pdf In PDF document text
- http://aquamedia.cn/ckfinder/userfiles/files/25810258327.pdfIn PDF document text
- https://celovechurch.org/wp-content/plugins/super-forms/uploads/php/files/f5c679ab78fdaa640be8fc43c03ac019/95853770939.pdfIn PDF document text
- https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/tmp/48673337942.pdfIn PDF document text
- http://mid-europe-ex.com/images/blog/file/noferenobalugapugel.pdfIn PDF document text
- http://bdpq.hungminhits.com/files/uploaded/files/2233913584.pdfIn PDF document text
- http://mygotour.com/FileData/ckfinder/files/20210912_7D55AD01CBD65090.pdfIn PDF document text
- https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/fhvk9v55tsea7hfmp2j6hl20j0/dakugap.pdfIn PDF document text
- http://brbud.pl/userfiles/file/83826280271.pdfIn PDF document text
- https://campermagazine.tv/public/file/94155098733.pdfIn PDF document text
- http://labellebeaute.com.hk/ckfinder/userfiles/files/xarupisabaneminuxazuzar.pdfIn PDF document text
- https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/161390a01015a9---pemewokitozuro.pdfIn PDF document text
- https://contabil-fiscal.ro/mm/file/61998781473.pdfIn PDF document text
- https://baxsporthorses.nl/userfiles/file/jolizelevimiroziwod.pdfIn PDF document text
- http://brezov-gaj.si/uporabnik/file/15573067932.pdfIn PDF document text
- http://begues.mobi/userfiles/file/42146653721.pdfIn PDF document text
- https://kingbakerypans.com/userfiles/file/74214699027.pdfIn PDF document text
- http://caydinhlang.net/userfiles/image/file/jajoputixukudodufemoga.pdfIn PDF document text
- http://wang023spa.com/userfiles/202109file/2021090322325270554.pdfIn PDF document text
- http://nelly-design.ru/upload/files/57515621897.pdfIn PDF document text
- http://ssatripoli.org/userfiles/file/72417975693.pdfIn PDF document text
- http://trunghungplastic.com/luutru/files/rufifefef.pdfIn PDF document text
- https://faktxeber.com/resimler/files/sesipobolugunofug.pdfIn PDF document text
- https://jiu-hang.com/upfiles/editor/files/73214689589.pdfIn PDF document text
- http://jornalespacoaberto.com/app/webroot/datafiles/editor/files/2505119366.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=the+rock+jack+whitehallPDF 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_off0000e83d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE83D | 10324 bytes |
SHA-256: 78a2dbd99c99431b750574e03ab787eadc98576a5391cc32aa824a929ca7142b |
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font_01_sfnt_off0000ffb3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFB3 | 19236 bytes |
SHA-256: 13ce42f4287ffe16c90286a23737b9c7cc767688a819f2b4b2dbe0d6966c3fea |
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font_02_sfnt_off000131d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131D6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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