MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to compromised CMS uploads and disposable hosting, suggesting it functions as a link farm to redirect users to potentially harmful sites. The presence of external URIs and link farms points towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://huntic.ru/uplcv?utm_term=example+of+hypothesis+and+null+hypothesis PDF link annotation
- http://bocghedanang.com/media/ftp/file/69321652946.pdfIn PDF document text
- https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f56546ce40---99886709492.pdfIn PDF document text
- http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c264a3cb218---68978318575.pdfIn PDF document text
- http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f30f68805c---89642988746.pdfIn PDF document text
- http://ajivikafinance.com/userfiles/file/kefixabekobu.pdfIn PDF document text
- https://camgloberealtor.com/userfiles/file/jilafoduxevajumarina.pdfIn PDF document text
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/cgk2ui4i4ohahppngr5gsbhgsn/49552256210.pdfIn PDF document text
- https://tkquiz.com/userfiles/file/74025883730.pdfIn PDF document text
- https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/lfe064nlnfj00llqq36jf4msr2/susimexu.pdfIn PDF document text
- https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/atqmcaar2tj2j5f11vdsvd8iuc/valesobujapaponodibe.pdfIn PDF document text
- https://gilbertems.com/videos/file/nikofikakenewesilavijotal.pdfIn PDF document text
- http://www.halpellet.hu/userfiles/files/garetisakosegomuvenejil.pdfIn PDF document text
- https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d644b5dba77---jekijogewi.pdfIn PDF document text
- http://tebsc.com/clients/84181/File/33163578460.pdfIn PDF document text
- https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/4e427bcf8e6b2271a14e8d79da8ea886/lumagapixozafujok.pdfIn PDF document text
- https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/edrkllfmg9t2mcipns1chllfij/ponibafunumom.pdfIn PDF document text
- http://virtualcharityevents.com/vce_cake/files/files/17993576606.pdfIn PDF document text
- https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d60f5b5c00---walatareferiga.pdfIn PDF document text
- http://carroll1975.com/clients/4/4e/4e2b018d07aaa5a30c3e4fca1c7a8df7/File/57843519910.pdfIn PDF document text
- https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b90e0ce003b---74886253672.pdfIn PDF document text
- https://www.sehersirin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b153c6f474---bewane.pdfIn PDF document text
- https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acfbd571864---guganedopig.pdfIn PDF document text
- http://terapeutickemasaze.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16076852a788b7---92308607726.pdfIn PDF document text
- http://moje-stranky.eu/userfiles/file/29840680730.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_off0000ed30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED30 | 17108 bytes |
SHA-256: cd7a742de5068e045586f8f9a03c1836cd44a17a94d77ee572806617f59d84fb |
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font_01_sfnt_off00011a09.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A09 | 10960 bytes |
SHA-256: 053c30c6c0f5ab7cac1bec04fabcde269b9a9a05f9dc8b816798aebf547febde |
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font_02_sfnt_off0001334c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1334C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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