MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document contains a large number of embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to redirect users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware distribution. The presence of multiple external URIs and a link farm heuristic points towards an attempt to lure users to external resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9923
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://juvelyrikoscentras.lt/Files/file/14476737121.pdf
- https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/60b1353b58cf0b77166c235f37f369bf/36058321594.pdf
- https://bohemiamaestro.com/webpagebuilder/ckfinder/userfiles/files/bubaxuxobomemobegiduneg.pdf
- http://donghozibistore.com/luutru/files/87617424166.pdf
- http://nhs1980alumni.com/clients/878257/File/radosizowetewu.pdf
- http://aweibel.com/Photo/file/62137735307.pdf
- http://raunlarose.us/wp-content/plugins/formcraft/file-upload/server/content/files/1608f682ed7054---35215146060.pdf
- https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/1610a065a38cfe---dozajejesewenupojut.pdf
- http://aptchasers.com/FCKeditor/userfiles/file/kewusewupufu.pdf
- http://isagenixmakessense.com/ckfinder/userfiles/files/kijupubedukawavi.pdf
- https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/1067cfa974c22e44772497f0576f9b26/zudemusebepusovafe.pdf
- https://rumahbaruku.com/contents//files/37745802662.pdf
- https://www.mixedclass.com.au/wp-content/plugins/super-forms/uploads/php/files/lefdu2uscua0p1991c5g4en5bm/44967995723.pdf
- http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc4759cda9d---92297813278.pdf
- http://canyonmeadows.org/userimages/bomuvurebol.pdf
- http://theeultimatenetworker.com/ckfinder/userfiles/files/nerav.pdf
- https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/sl2fskhla660n5d5b4h4eu0k67/sujani.pdf
- http://mmckno2010.zkosuchdol.info/files/7761994344.pdf
- https://eliteplacementagency.com/uploads/files/luzuterefuzelapaxanuruf.pdf
- https://sibiucuratenie.ro/fckeditor/userfiles/file/52929530489.pdf
- http://md-servicios.com/userfiles/file/55626456763.pdf
- http://anapro.com/ckfinder/userfiles/files/7821687201.pdf
- https://laihouston.com/wp-content/plugins/super-forms/uploads/php/files/0b9dbfdf302541afaf38cf9ff355bded/zimuxokiwu.pdf
- http://sl-light.ru/design/img/upload/file/fapuwowemikotariwavo.pdf
- https://coimbatorepressclub.com/FCKeditor/userfiles/file/36533537201.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=maths+formulas+for+class+11+pdf+free+download
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e116.bin837aa0424ea83aa125b61268e21d0fa9d459a3bafc32d935e2cbf384ad2aa30d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE116 | 17780 bytes |
font_01_sfnt_off0000fc62.bina806c97301eeebeea40d022d4c618c9dad25adb3319bb220e26f88a81ad573b6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC62 | 19052 bytes |
font_02_sfnt_off00012e53.bin143cc07805b0a5ff2e583975cb574f484bdaf3ddd0ed441cecc2893b52410c12 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E53 | 11024 bytes |
font_03_sfnt_off000147fc.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x147FC | 16792 bytes |
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