MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm with numerous URLs pointing to compromised WordPress sites and disposable hosting, indicative of a phishing or malware distribution scheme. The ClamAV detection and ML classifier strongly suggest malicious intent, likely to lure users to malicious content or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c905f081dec---wulizikorisobaw.pdf
- http://starlightcelebre.org/clients/4/43/43e9139217482d7666ce300faf566241/File/gewogutegezajisogowev.pdf
- http://bagumul.com/file_upload/spaw_upload/file/20210621145658.pdf
- https://www.ptlittleflower.org/wp-content/plugins/super-forms/uploads/php/files/nhmtqrkdebbbifrrm7brhfml0u/33887958659.pdf
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/68d117bbec86493b03a10922a205ccff/todopowopida.pdf
- http://bannhuaduong.net/upload/files/xafuzaxogabodowoseme.pdf
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c77fbbb3354---54658118905.pdf
- http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b006ce39185---17685335767.pdf
- https://useoneconvo.com/wp-content/plugins/super-forms/uploads/php/files/971e6249b91bf61a403f95bc054c9968/jaxibokonekovixitupaluja.pdf
- https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a59a7e5997c---tanevogazobawofegaxijojad.pdf
- https://namratalakhotia.com/userfiles/files/93982710588.pdf
- http://www.chicagoalphas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ce66bd9deb5---62246058909.pdf
- https://schmitz.cz/res/file/80008658487.pdf
- https://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/e8ab8f6f59c5e1e3d7d80e6997ed37e7/81048373347.pdf
- https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/6df5565ce29a2e6826cf46a0727cedab/41691536404.pdf
- https://bechtoldpaving.com/wp-content/plugins/super-forms/uploads/php/files/d407b45e571a37f8ec3d325a2ebf3a39/42239811355.pdf
- https://augsburger-dartliga.de/uploads/file/sevaxoxa.pdf
- https://ols.lighting/wp-content/plugins/super-forms/uploads/php/files/b2982a7cd3a005d54357a647a693ad50/16007967285.pdf
- https://allegypttours.net/userfiles/files/64726545810.pdf
- http://seabeachthailand.com/UserFiles/file/42645595979.pdf
- https://bamfieldrental.com/userfiles/file/zusowoxafasawopena.pdf
- http://toonesk.com/upload/32042314659.pdf
- https://arizonalightingsales.com/wp-content/plugins/super-forms/uploads/php/files/105f519dcc4a87853badeaca562a801b/kogarobobofadirofomiwu.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=henry+rollins+iron+quote
- 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010c1a.bin8821bc5f4bc4fdde070efd4823bd3606465137c0efae470cc0c75baef90f2385 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C1A | 17812 bytes |
font_01_sfnt_off00013a1e.bin2be363e0e3cb2b07e8416fdb04eacc21dccb6b48ca731d4a53f7500a32cf9230 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A1E | 10292 bytes |
font_02_sfnt_off00015167.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15167 | 16792 bytes |
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