MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous URLs that form a link farm, likely directing users to phishing or malware distribution sites. The PDF structure and embedded links suggest it is used as a lure, potentially for credential harvesting or further infection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://coretry.ru/uplcv?utm_term=construction+material+management+pdf+books
- http://ithaca1960.com/clients/8/87/874e400c25abfb160fd1c0cf9913fcd0/File/15922555288.pdf
- https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160bf86b754e1c---ruvavatajina.pdf
- http://agriturismolionsfarm.it/userfiles/files/jarovanoramigi.pdf
- http://mmsmarin.com/imgimage/file/musasikejijifesu.pdf
- https://cdpu.net/wp-content/plugins/super-forms/uploads/php/files/6139f3b1bca935aef040801c0cb5db2c/wepiv.pdf
- http://tokyosushilohaus.com/uploads/files/kawodakifutugavupepu.pdf
- https://advance-pack.com/editor_upload/file/xonirasodivepoworireleja.pdf
- https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611860f6d6f3e---mezuvi.pdf
- http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f92b2b1295c---99804359757.pdf
- http://ambcavallon.eu/userfiles/files/81045956905.pdf
- https://coluer.ir/documents/file/genabinulowo.pdf
- https://aymfly.com/aym_image/files/30041754017.pdf
- https://pezenasenchantee.fr/userfiles/file/miwajaposerotugatowoli.pdf
- http://www.justgiveahand.org/wp-content/plugins/formcraft/file-upload/server/content/files/160969e96ee9aa---gisajoguvibomirogumufene.pdf
- https://lienlacanien.com/img_pages/file/51365758966.pdf
- https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/dg1ur2dumrthm4vejibfqdktu3/sozunebemop.pdf
- http://denge.aero/upload/files/tonobobefimilasuzagagij.pdf
- https://cambodiadriverservice.com/userfiles/file/zikuxixisuzejekirup.pdf
- http://yuha.be/_files/file/kesexugizudupafires.pdf
- https://africanresearchcenter.com/userfiles/file/laxefarupumeruzodiva.pdf
- http://aktifimmo.lu/userfiles/files/fokakexexibe.pdf
- https://latework.cz/soubory/32505091865.pdf
- http://delfosventures.net/userfiles/files/49046517217.pdf
- http://soles2walk.cz/data/file/fidisumot.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b66c73fbc8---16486628374.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f029.bin540f900e51a062e3164011cf4927605c698d783abca7ccc637366c20e690ec5c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF029 | 11324 bytes |
font_01_sfnt_off00010a65.bin8ef26092f65dbbfb4a9ec43bc53e3eeca4720526cf632a567c7bfb6a42ad4bb8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A65 | 18132 bytes |
font_02_sfnt_off0001394d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1394D | 16792 bytes |
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