MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous external links, many pointing to compromised WordPress upload directories, suggesting a link farm designed to redirect users to malicious sites. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://laborke.ru/uplcv?utm_term=top+ecommerce+niches
- http://amandatravel.com/userfiles/file/bijezaxe.pdf
- https://aihr-iadh.org/uploads/FCK_files/file/92969293193.pdf
- http://kimbuunguyen.com/uploads/userfiles/file/21935705743.pdf
- https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a648c94d06b---88748112706.pdf
- https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/gbc26evq5ilc897i0s93a613p5/73858420546.pdf
- https://alkalacarservice.com/public_html/userfiles/file/siponoz.pdf
- http://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606d42455796f---23883223913.pdf
- http://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/ltoker7dachpaebbd10g8ru576/dotenalozirefuwufojitidi.pdf
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bcbb51ee8b4---32816024438.pdf
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ca85cfcdf66---zeluwaleverutopotifo.pdf
- http://tokstar.com/_UploadFile/Images/file/83521211141.pdf
- http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be675895e2e---23598782893.pdf
- http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d3d58c392cf---20459566327.pdf
- https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/97b1e1fbbed5498f880b29fb355e191f/5037077599.pdf
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606d985ce006d---84277763450.pdf
- http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160843f6d22a36---45978909969.pdf
- https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16080b4b72ac99---zebolobodevom.pdf
- http://efuegypt.org/userfiles/file/xaminanoxurakikovox.pdf
- https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c912dd02327---bulabaziliwapop.pdf
- http://akcjonariusz.com/UserFiles/file/suzubo.pdf
- https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/eaf76082253877dea08cab583b036ebf/kixononozadawogozekez.pdf
- http://ct-tci.com/cttax/userfiles/files/lopidilugavifefekikewaran.pdf
- http://lovewhereyoulv.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/366814a0e6443eae5d1cdd11d532f520/futovomawumugafabitox.pdf
- 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_off0000fb2a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB2A | 16792 bytes |
font_01_sfnt_off00011341.bin77703248d647830684a4847c8e6a68128eb9ebf32f28b001a453de0778680310 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11341 | 10296 bytes |
font_02_sfnt_off00012a29.bin2fec59aad5b116e1b4f302d98b7fb037ef49db7135bf7b75d1d7c50a0819ef1b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A29 | 17072 bytes |
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