MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan' and an ML classifier indicating high maliciousness. It contains numerous external URIs pointing to compromised WordPress sites and other disposable hosting, suggesting a link farm designed to redirect users to malicious content. The PDF's structure and the presence of these links strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://crysiq.ru/uplcv?utm_term=kafka+amerika+english+pdf
- http://phanphoiongnhuahoasen.vn/upload/files/xufemedekapetetumapi.pdf
- https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/4qeu5g1qohf9dncd83uk703jq1/43632120420.pdf
- https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/58c81ee3c69bbe001866a08dfdc922ec/89544818142.pdf
- https://amerismithenterprises.com/wp-content/plugins/super-forms/uploads/php/files/93416b1590ea3f4b28f3f79081f7d3b8/53106436953.pdf
- https://thealloywheelcentre.co.uk/wp-content/plugins/super-forms/uploads/php/files/76fe902a8c2dc86d26f095b1f5d82333/57723573641.pdf
- https://alatheir.com/atheirwsfiles/file/40739045838.pdf
- http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606f7f997e653---xiwevibupaxanebijato.pdf
- https://baohohoanglong.com/userfiles/file/97014794343.pdf
- https://activepymes.com/pub/file/rezakanawipabubusupug.pdf
- https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082daff069d1---fifulaxajino.pdf
- https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075cfcfe2c4b---bidatizataxotajedop.pdf
- http://chocolatycakes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac45b6045e2---lisavef.pdf
- http://zonweringnederland.com/ckfinder/userfiles/files/xululuw.pdf
- https://triangle-electronics.com/assets/userfiles/file/sazuxuxa.pdf
- https://www.infrascale.com/wp-content/plugins/super-forms/uploads/php/files/b0131a700cadaf2dd7dcd7a51611ce80/zebipewo.pdf
- http://yuhongzg.com/d/files/gowefadirubojowiziko.pdf
- https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/c188b61ea3452d7f18fe701bca2b4f98/fosidireb.pdf
- https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/34e4c31ad778c76d0b7ed2648889585b/lapiduliwaxa.pdf
- https://asthasupermarket.com/userfiles/file/76629325130.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- 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://scripts.sil.org/OFL
- 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_off0001a035.bindc558e84987250fc36b32e15fa6227bb8adee46488130c9612a11dc8609abb1c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A035 | 5488 bytes |
font_01_sfnt_off0001b2bf.bine6db9852470ba69d79b174b73c80ccc3f59261a799a5e7513d38d37a08021b3c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B2BF | 12312 bytes |
font_02_sfnt_off0001d9bd.binfafc6733f52c88b0d8e7cc586309fa6151c66b5857af0e03197e3e622b0ea423 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1D9BD | 16072 bytes |
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