MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs that point to various domains, many of which appear to be compromised or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' indicate that this document is designed to host a large number of links, likely for phishing or to distribute further malware. The ML classifier and ClamAV detection further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.7162
Heuristics 5
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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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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=citizen+promaster+diver+200m+manual
- https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/ae7a0f1729a94675268fe5e901700029/1066240190.pdf
- http://a2itsolutions.com/chop/multimedia/userfiles/file/sajaritubizopuxeponufa.pdf
- https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c417a464201---52994411289.pdf
- http://greenmodels.ru/uploads/files/vufoxometefak.pdf
- https://europacreativaeuskadi.eu/files/galeria/files/jugomavipowasukadipalexi.pdf
- https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/9h312i40ojebcs59ir5nfvdmpc/62182145975.pdf
- http://lnaixi.com/userfiles/file/20210717154906_1594686640.pdf
- https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/a965031b1d982f6aec3588f5ffb71255/zelodaseberuvusuvi.pdf
- http://impactpluslearning.com/ckfinder/userfiles/files/4044806993.pdf
- https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160815972a732b---83550228657.pdf
- https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/tl7m1a7s8asq10a28rqrg9gde7/ruparab.pdf
- https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/5546b5aeb627703622d5f3a3a3258f4c/patovisuk.pdf
- http://boschvietnam.com/files/usersfiles/files/nenafoxakubu.pdf
- https://www.pelicanfinancialnetwork.com/ckfinder/userfiles/files/nekotudidixegevob.pdf
- https://guineaservicesproviders.com/gsp/files/55821128102.pdf
- https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/c5n12g154n8eoec0olc686ki52/20354782385.pdf
- https://pasarangroup1.com/contents/files/64703661991.pdf
- http://www.moteco.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b1afae48223---mikunati.pdf
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609ce326f341a---54291539243.pdf
- http://blackhorsesc.pl/userfiles/file/24287442473.pdf
- http://builderall.info/userfiles/file/bulivokalujefogojitebeva.pdf
- https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/e2c625b0f8cd8263906b7b187791955c/mawadafe.pdf
- https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/1ef30e23a3f9859def3ded30fbf33f9f/89725608430.pdf
- https://www.sesc.com.ua/wp-content/plugins/super-forms/uploads/php/files/5cebff4sqfkluaaaqb400uq901/39198154544.pdf
- https://holocaustresearch.pl/nowy/photo/file/86236130356.pdf
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e285.binfb64323bc82c2c3b6435b78da1d58bd33a07c0344e2401316b88e292a641c21b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE285 | 18656 bytes |
font_01_sfnt_off000113a6.binfb22bc1eb0d8f944fe78e1365672f6a2641a73d2f2d8596a5d1eec7bed3c6c5a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113A6 | 11052 bytes |
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