MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious or phishing content. The presence of embedded URLs and the nature of the heuristics strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9769
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://nomylo.ru/uplcv?utm_term=bleeding+out+of+your+ear
- https://bursakaynak.com/userfiles/file/zubegofowuw.pdf
- http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609c53727395c---36153624577.pdf
- https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160809d669e152---sufot.pdf
- https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/hhgqft0n5tjp7pmrfb7o69vist/44020181154.pdf
- https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c31dde5f722---jovopewajenatuzominon.pdf
- https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a643f23eb68---81249242284.pdf
- https://sarujiovalente.com/wp-content/plugins/super-forms/uploads/php/files/7l9fb16003bgg5r3uqd6j9v699/1730876661.pdf
- https://www.travelticket.com.au/wp-content/plugins/super-forms/uploads/php/files/8r4aboupfnflg4vc6a6ar0hf13/fizemodu.pdf
- http://www.ellisrasbetonwerke.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609e3a6a3c02a---41048925513.pdf
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/3l5aeshnao5prt25onit87rb3c/fovupa.pdf
- https://nutricionintravenosa.com/wp-content/plugins/super-forms/uploads/php/files/79d05e1459d6818c617f7404207c5c0e/xexoxikavif.pdf
- http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f39a9a2747---65297324619.pdf
- http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078f42d8759b---80394577418.pdf
- http://www.redactordecontenidos.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160742ce50a9e4---nogib.pdf
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/313bb539483e3633afd0c3e2b78edd25/30181498949.pdf
- https://riolospettacoli.it/filesUploads/file/10181203753.pdf
- http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/5365ba99f2532170022eea149b45abf2/jogeredibunepozesimojaki.pdf
- https://www.kngroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094f42e5e23e---9545298688.pdf
- https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/o9416tcisoi2ckggav6t9l46f0/sowipenubetigososobigixul.pdf
- https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/2e91f77e16666aeeabea26df0dab1cc0/65798594994.pdf
- http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9cff3bd9d8---1051499095.pdf
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16098d61d7d94f---vilelavimenavepozu.pdf
- http://entone.es/wp-content/plugins/super-forms/uploads/php/files/8fffbfa3d3a655b8ddd1377c18ac63c4/debokivedumovos.pdf
- http://evola.it/userfiles/files/9249045227.pdf
- http://southwest66reunion.com/clients/f/f6/f6f8b7bd17d60304c359e527a2c43449/File/zafijupewera.pdf
- http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b98c50d92e0---37954974725.pdf
- http://marinapogon.pl/upload/file/43089910903.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f209.bin1cdd1019b0ed0faa036a3eaa51398e3e2939213f999b72a7361aadfd20369514 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF209 | 10628 bytes |
font_01_sfnt_off00010a4c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A4C | 16792 bytes |
font_02_sfnt_off0001225d.bin98bcec2be85b547d266a48c61dccc50816b624367bf69e2f194f2b8087d010f5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1225D | 16092 bytes |
font_03_sfnt_off0001379a.binb0e67b3e14b6dbf003e8ec3343ec1cb7f50425f7e5a8e37519f4c7784ceeb2f9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1379A | 18736 bytes |
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