MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The ML classifier and ClamAV detection strongly indicate malicious intent. The PDF contains numerous links to external websites, many hosted on compromised WordPress installations, suggesting a link farm or phishing lure. The presence of 'utm_term=kgb+alpha+team+training+manual+pdf+english' in one URL indicates a potential attempt to deceive users with a fabricated document title.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://ketchas.ru/uplcv?utm_term=kgb+alpha+team+training+manual+pdf+english PDF link annotation
- https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/1612da97f186d4---3458643102.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/s7ijumak2hu29rh92ealhfc14b/62721893028.pdfIn PDF document text
- https://nhahangthanghuong.com/uploads/files/74512857124.pdfIn PDF document text
- http://comlark.ru/userfiles/files/3109051155.pdfIn PDF document text
- https://la-klamm.org/Files/files/8160539903.pdfIn PDF document text
- http://aczelzalog.hu/tmp/45243169283.pdfIn PDF document text
- http://xn--80aaae7amexjfdlfdfg.xn--p1ai/files/file/xenitemanogupefijoleg.pdfIn PDF document text
- http://dailitara.lt/bites/uploads/file/5022859572.pdfIn PDF document text
- https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/6vboqdcr6tlfep0gkkkavtd6oa/93890004595.pdfIn PDF document text
- http://luxmeterthai.com/ckfinder/userfiles/files/womat.pdfIn PDF document text
- http://goodmix-psc.com/userfiles/files/2759666116.pdfIn PDF document text
- http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc535ea598---rixubonujemujowokul.pdfIn PDF document text
- http://www.aadhar-interior.com/userfiles/file/28854735271.pdfIn PDF document text
- http://vaughanreunion.com/clients/7/7c/7cfe0b8ff6d5e3136a6575a9b258a09c/File/revezef.pdfIn PDF document text
- https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/d0jnrnpcbjg83mc3ktttjbg8f1/26731566830.pdfIn PDF document text
- http://profisystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609d4a109c217---13226652866.pdfIn PDF document text
- https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/1609db67300de4---80278765393.pdfIn PDF document text
- https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/160f5ebf47e7a0---nojosuxeza.pdfIn PDF document text
- http://webinaris.training/ckfinder/userfiles/publics/files/wagowebavadomewuxobimuz.pdfIn PDF document text
- https://adrfarysz.pl/userfiles/file/junowijob.pdfIn PDF document text
- https://annekienlen.fr/imagesfile/28403793070.pdfIn PDF document text
- http://meble-tk.pl/userfiles/file/botologakutevala.pdfIn PDF document text
- http://www.aadhar-interior.com/userfiles/file/86950572010.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_off0000e650.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE650 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fe67.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE67 | 11056 bytes |
SHA-256: 392db20be82a45990e10443ac1893afcacf6a26396711e131f9771967503517a |
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font_02_sfnt_off00011783.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11783 | 17348 bytes |
SHA-256: ea4218773171dbef6203a52b075b2f56a675a6ed3c09493354c2ddbff3b9fe2b |
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