MALICIOUS
172
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple external links, some of which point to compromised WordPress sites and disposable hosting, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to trick users into downloading a secondary payload. The presence of a 'download button' heuristic further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
Heuristics 8
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://srmhomes.com/images/bulk_images/files/nozadesujigetojem.pdf
- http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161302d204d777---46350097226.pdf
- https://holcom-wd.holcom.vn/webroot/img/files/rewisogej.pdf
- http://girlstown.org/files/js/ckfinder/userfiles/files/napumoda.pdf
- https://jaukiaplinka.lt/ckfinder/userfiles/files/refuvojizamugodidezutarif.pdf
- https://bushregenerators.com/userfiles/files/57633990268.pdf
- http://capthepcongtrinh.com/uploads/news/files/55528450279.pdf
- https://euinsuti.ro/app/webroot/files/userfiles/files/gilurepemeremite.pdf
- https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/250c98a8c8f0e47bc5c2a05258ddfae9/kunafog.pdf
- https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/ece8ce4739a0cc2b74dcede71e244e13/tojozisenenibikumulavezi.pdf
- http://tcyy88.com/userfiles/file/2021090305263373499.pdf
- https://cleartunemonitors.com/ckfinder/userfiles/files/tulomatabotomi.pdf
- http://anthonyjcincottalaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/riruwojuboxegawijada.pdf
- http://paddockj.com/user_data/editor/ckfinder/core/connector/php/upload/files/39963255590.pdf
- http://dxline.eu/userfiles/file/jiledoromami.pdf
- https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161350ebd57d56---denujadutulejigoverevobe.pdf
- https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/63dko0kfuv1v50p416i7km8113/19445382103.pdf
- https://holocaustresearch.pl/nowy/photo/file/varinavugobevoxujo.pdf
- http://alltechsro.cz/files/38005918179.pdf
- https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/16142f97ec2368---kasamaxuvajepe.pdf
- https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16130e0b7dd3a0---xixetuxav.pdf
- https://detectagsafety.com/ckfinder/userfiles/files/guloguk.pdf
- https://festivaldelmaridaje.com/sgi_userfiles/userfiles/files/83880097073.pdf
- http://everest-c.ru/ckfinder/userfiles/files/31195257966.pdf
- https://pikhospital.com/ck_uploads/uploads/files/vubusuvuripuvimewifi.pdf
- http://portaldo.eu/contenuti/upload/file/lupuribanidirawosadorano.pdf
- http://marcobernini.it/userfiles/files/bijifagesofibavebukono.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=download+mini+militia+pro+pack+hack
- 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_off0000db4d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB4D | 16792 bytes |
font_01_sfnt_off0000f35f.bina1f58fc24285822fc572d79603b0bfb2bb0f4910085dd7c170b8433e17e836fd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF35F | 17068 bytes |
font_02_sfnt_off00011fa7.bin767120139f85dbfcdecc4cd7a48a2e56b60f037557d355c512e885821997b315 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FA7 | 10656 bytes |
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