MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous external URIs and links to compromised WordPress sites, indicating it functions as a link farm. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware distribution. No scripts were extracted, but the structure and URL patterns are indicative of a malicious document designed to lure users to external malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9848
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://krisoc.ru/uplcv?utm_term=candace+phineas+y+ferb+xxx PDF link annotation
- https://wpsqld.com.au/wp-content/plugins/super-forms/uploads/php/files/ea7c7e62ba8b9a842eda9c8059653045/23354992383.pdfIn PDF document text
- https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae02052eb1b---57764504909.pdfIn PDF document text
- https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/9d0a47c508933387cd83f25690110acd/toxazejakagod.pdfIn PDF document text
- https://canvasations.com/wp-content/plugins/super-forms/uploads/php/files/g3dnkj5lv6tebebnle2gr2tqc0/numipatewaviguxazesu.pdfIn PDF document text
- https://waroproject.com/file/15448835873.pdfIn PDF document text
- http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607c933a4060c---lezubid.pdfIn PDF document text
- http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/5b1l228ntpbm3b8bsai6k91ji6/suzutepusinu.pdfIn PDF document text
- https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/4a8d5ead4eab110a66016241e8beb166/vumowuxurogugu.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ca9481cf38---burukalebop.pdfIn PDF document text
- http://kiavysocina.cz/UserFiles/File/lolepojuruxavisob.pdfIn PDF document text
- http://kaupa.cz/userfiles/file/843159686.pdfIn PDF document text
- https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/160867b8761d78---43414580532.pdfIn PDF document text
- http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ca83190db2c---67983894556.pdfIn PDF document text
- https://wpsqld.com.au/wp-content/plugins/super-forms/uploads/php/files/eaefd14b21b1a3f7c53a7b9a452e8e8b/64736172198.pdfIn PDF document text
- http://gw73patriots.com/clients/1/1e/1ed986c9d410becccfd9995a8318e329/File/24053979984.pdfIn PDF document text
- https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/ggbd31mdf6o5m8bfnddvuttps5/25122860100.pdfIn PDF document text
- https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/33004826579ab39d9439894be3385519/88305010149.pdfIn PDF document text
- https://mobiligennari.com/userfiles/file/23491551478.pdfIn PDF document text
- http://mtlebanon62.com/clients/5/5e/5ee551a8be14a26d7d76bc5e90dd1372/File/bizigunopelov.pdfIn PDF document text
- http://dentherapia.hu/files/file/81589051734.pdfIn PDF document text
- http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16080b23cc44a8---tavikovugutufegirosexalu.pdfIn PDF document text
- http://ufnk.fr/app/webroot/files/file/2501913038.pdfIn PDF document text
- https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/b6477b6071940e1d792d8bd798124b20/gizebiduzaruxojip.pdfIn PDF document text
- https://muguet.fr/sites/default/files/file/82529502790.pdfIn PDF document text
- http://smclassof57.org/clients/34860/File/80488891295.pdfIn PDF document text
- https://sharpspringwww.kinsta.cloud/wp-content/plugins/super-forms/uploads/php/files/ff67fcd473bdfea4d0cb38fb3388f9eb/fefilumilivuzam.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_off0000eb8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB8D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000103a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103A4 | 10840 bytes |
SHA-256: cdab34ca3c69a99f8cf71d2240f9528d228d0a7dae16f356cb5732ae3a968f33 |
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font_02_sfnt_off00011c61.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C61 | 17752 bytes |
SHA-256: 836e7cbb32ccc40f3a50792853cbd684155582d777ee291be531080f32c5d0db |
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