MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains numerous links to external websites, many hosted on compromised CMS platforms, suggesting a link farm or phishing attempt. The document body, though heavily obfuscated, appears to be a lure related to a common search query, further supporting a phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://wastran.ru/uplcv?utm_term=what+is+the+difference+between+endothermic+reactions+and+exothermic+reactions PDF link annotation
- https://www.plsok.com/wp-content/plugins/super-forms/uploads/php/files/6fd612eaa1989623526654bb79570bc7/kifadilofofaraxun.pdfIn PDF document text
- http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a6c52ce66c---zabuperedaveruluviloz.pdfIn PDF document text
- http://beijingxinzhi.com/userfiles/file/20210519054556_878494881.pdfIn PDF document text
- http://analogsys.com/uploaded/file/199623543860bf82ad04e41.pdfIn PDF document text
- http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/4005185a86ee3758af158f2bf4422df0/55081895494.pdfIn PDF document text
- http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1606fb5cd51c89---xozitijobesupasuwokemog.pdfIn PDF document text
- https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b622e51c25a---sexow.pdfIn PDF document text
- https://globalazeri.az/wp-content/plugins/super-forms/uploads/php/files/bq7r4b2e1odealbusd0pf5hfl7/56869517384.pdfIn PDF document text
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609cb304ce021---21832427856.pdfIn PDF document text
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1609fc90bec730---tulabowojivitukaki.pdfIn PDF document text
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/160a809196ce01---93774833545.pdfIn PDF document text
- http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16088c1eb4c2ce---witijunim.pdfIn PDF document text
- http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7c1c6d8adf---2613912815.pdfIn PDF document text
- https://cal.lighting/wp-content/plugins/super-forms/uploads/php/files/ae3e53b625fb23c7a2d42e7a098a6b7b/49919176292.pdfIn PDF document text
- http://xn--or3bi2da319p.com/upload/fckeditor/file/81211803862.pdfIn PDF document text
- https://prana.video/wp-content/plugins/super-forms/uploads/php/files/3f8d9jd92tu5v63btmpipgp4ff/guzutumudikafanoj.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fbad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBAD | 5540 bytes |
SHA-256: b16e3eb52e13e3df4433ddcd01d3414849903ae525c2b72e362badee16075472 |
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font_01_sfnt_off00010e76.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E76 | 11560 bytes |
SHA-256: 54b40243aa4e7bc340e01c5d988bbec32e392d788a392688369526fc0d712874 |
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