MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by ML classifiers and ClamAV as malicious. It contains numerous embedded URLs pointing to compromised websites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of external URI indicators and the overall structure point towards a phishing or malware distribution lure, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://drafthe.ru/uplcv?utm_term=reported+speech+worksheet+for+class+4 PDF link annotation
- https://okna-stv.ru/userfiles/files/kakadewulo.pdfIn PDF document text
- https://defrokatilai.lt/images/files/78077717367.pdfIn PDF document text
- https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/7b17f1b617dccf241d9568ad4179159e/37648015950.pdfIn PDF document text
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160ec41fcefb37---neruvadanojivavixevane.pdfIn PDF document text
- http://pc-driver.ru/userfiles/files/gudujiwi.pdfIn PDF document text
- http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16082531ed1c40---66294360900.pdfIn PDF document text
- http://chapelguild.com/images/usr/66415560599.pdfIn PDF document text
- http://www.climatisur.com/ckfinder/userfiles/files/70575472607.pdfIn PDF document text
- http://cicm2015.mist.ac.bd/app/webroot/ckfinder/userfiles/files/78448410324.pdfIn PDF document text
- http://www.associatedomains.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094a38fdfc6e---faruzi.pdfIn PDF document text
- http://bahtiyardishekimi.com/fckfiles/file/kamasez.pdfIn PDF document text
- http://vinhhangvien.com/upload/files/minavigofumotafanut.pdfIn PDF document text
- http://www.pvvc.cz/files/doboka.pdfIn PDF document text
- https://asthasupermarket.com/userfiles/file/sukirezodosobo.pdfIn PDF document text
- https://ferado.vn/userfiles/file/nabiwijetafo.pdfIn PDF document text
- http://driver-jazda.pl/upload/file/delujutabep.pdfIn PDF document text
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/1610952de573e6---21312781817.pdfIn PDF document text
- https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e07f6049a88---70696875161.pdfIn PDF document text
- https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/732cb1a82a24b9277741172cdcf57efe/41544893366.pdfIn PDF document text
- http://a2itsolutions.com/chop/multimedia/userfiles/file/70771432618.pdfIn PDF document text
- http://pro.ovh.net/~tribuene/images/banque/file/56871507045.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_off0000d2ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2ED | 16792 bytes |
SHA-256: d418d3b91998a3dd021b19681e4524f4c600458c11d4cb18f72258c4999347ac |
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font_01_sfnt_off0000fed2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFED2 | 10824 bytes |
SHA-256: 2173e61b8ca9ce26622d8b51ac15b665bcbe3dc585a687d4331c396f1d4ce22a |
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font_02_sfnt_off00011818.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11818 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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