MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external URLs, many pointing to compromised CMS upload directories, suggesting it functions as a link farm or redirection mechanism. The presence of embedded URLs and the PDF structure itself are indicative of a phishing or malware distribution lure, likely delivered via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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=david+chalmers+the+conscious+mind+pdf
- https://brothers-music.com/ckfinder/userfiles/files/wijuwologini.pdf
- https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/efnfilvgg412d8r8c04mu6qdtc/rekumuneji.pdf
- http://profisystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160cd7c49020d3---38009482048.pdf
- https://gegeny.hu/uploads/file/76458627118.pdf
- https://holocaustresearch.pl/nowy/photo/file/75161621149.pdf
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/47dec80a584e34bde5641f0ac7162fa2/77911483079.pdf
- http://arredamentoambienti.it/img/file/6009835228.pdf
- https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607af56521bcb---wozefojeju.pdf
- http://canyonoaksmtg.com/~duckdi5/canyonoaksmtg.com/content/file/gowitosidibawejojit.pdf
- http://spearmanhsreunion.org/clients/e/e1/e1754705b4c076d7cd520c5e9e79ed07/File/jarefigesajamamimupojubu.pdf
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d617f10047b---kuxelapapurunexesarokox.pdf
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160870444030ca---24059755338.pdf
- https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073d3638f25e---komasaxorafe.pdf
- http://immodraft.nrw/images/architekten_agentur_images_/file/sobopaja.pdf
- http://coxfamilyreunions.com/clients/5/56/566bc9ad745482f371977770c3e6b383/File/lekodikokodezetuviti.pdf
- https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/160809aaf0ab18---93297505233.pdf
- http://www.dj-csnl.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b88a28c9d1e---kuwiboviremazate.pdf
- https://daquin-ferriere.fr/userfiles/file/68614983995.pdf
- https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/j85i7513un3kd1mauq4afj71aa/bujirub.pdf
- https://bonpetsupply.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074c712eadb8---29554221304.pdf
- https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160b22b95bd547---63275938330.pdf
- http://apexnepaltravel.com/userfiles/file/13781825492.pdf
- http://isvpro.com/custom/files/nanixijufapetez.pdf
- https://www.icslights.com/wp-content/plugins/super-forms/uploads/php/files/03d05e31ea5d22598a4beecd3d3f44cc/bofewolapenififi.pdf
- https://sharpspringwww.kinsta.cloud/wp-content/plugins/super-forms/uploads/php/files/6b2cc744d7290c60b1ad1d2bf3fdeee6/79700539543.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_off0000f286.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF286 | 16792 bytes |
font_01_sfnt_off00010a98.bin0638abd90a698c36c4421cfed39475b39f6e4874b81b5da9b4597800691ab782 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A98 | 16604 bytes |
font_02_sfnt_off00013555.bind91a26505c0600f8855a1795964ec134dbcf49935d05789ea92bb5f8f5eef637 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13555 | 11052 bytes |
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