MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains numerous links to compromised websites, suggesting it's part of a link farm designed to host and distribute malicious files. The presence of a 'download' button lure further supports the malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://evg-prague.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607f955d6c3a0---70958206500.pdf
- https://www.chesapeake-lighting.com/wp-content/plugins/super-forms/uploads/php/files/58765349362469a2ee2f0feb05586968/repixifazeseje.pdf
- http://learningkey.org/userfiles/87609887784.pdf
- http://ore-processing.ru/d/files/lenunakuxadudepatefij.pdf
- https://www.dolphinrfid.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088d8a21f4a7---vimozaduzolokijobusuzivik.pdf
- http://crosswaysrecruitment.com/userfiles/file/1513546404.pdf
- https://parquesanalbertohurtado.cl/ckfinder/userfiles/files/damulipoxivusasevenapos.pdf
- http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a638d55eab0---kijejotavefivo.pdf
- https://samarpanbharat.org/trila/userfiles/file/32074330896.pdf
- https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609d197c515be---budusutefarerilapuro.pdf
- http://alpanelektrik.com/depo/sayfaresim/file/givebirikeno.pdf
- https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5c15578709---2688056312.pdf
- http://anhuishangbiao.com/upload_fck/file/2021-6-13/20210613025423791864.pdf
- http://allnatureint.com/userfiles/file/pabozexajefepirexanibe.pdf
- https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/160af33237762b---jigezoda.pdf
- http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073d95a04c18---xavowujaza.pdf
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099d8a405862---warevizawikozavewe.pdf
- https://www.properties-thassos.com/wp-content/plugins/super-forms/uploads/php/files/1e5jagmo1hv5631avig1s8ia22/86929540422.pdf
- http://m4klynchburg.org/clients/3/34/34420611de4c9c7593cf5e5fe12de6df/File/dozukidegasisibibafixamo.pdf
- http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4c9401174d---nurega.pdf
- http://nguyenquangcomputer.com/upload/ck/files/gadopujukuwuxurebiviwexu.pdf
- https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/160a9a5a2ac615---duzututeri.pdf
- https://www.marvistasales.com/wp-content/plugins/super-forms/uploads/php/files/0634a17adf6ef1a57f2df278de01fe27/rovasuz.pdf
- https://shared401k.com/wp-content/plugins/super-forms/uploads/php/files/569aec223b37f5b6f6e6dfa41fe7e938/redowosamuvorizujifinirum.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=convert+pdf+to+word+document+without+software
- 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_off0000ca1c.bin8cae0c0650a4bbaa38180dbe1ff2c92c95508862b068126ec06525aa98424ae1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA1C | 16504 bytes |
font_01_sfnt_off0000f516.bin7f238af4814847f738ca8b57d6aed240314ec0dcc4cbfce934d22bbf411c0dbe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF516 | 11124 bytes |
font_02_sfnt_off00010efc.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EFC | 16792 bytes |
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