MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous links to external WordPress sites, many of which are hosted on disposable domains and appear to be part of a link farm designed to distribute malicious files. The presence of a 'download button' lure further supports a phishing or malware distribution scenario. No scripts were extracted, but the overall structure and URL patterns suggest a phishing or downloader attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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 http://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1609b8f0852d92---pipogol.pdf
- https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/sb0e5scmk72ooe7s9d6rj6aa0k/fomimuzapoj.pdf
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c02e6281537---54179731192.pdf
- http://tovicetour.com/FileData/ckfinder/files/20210614_CE270EF7588DC0C0.pdf
- https://www.themeshcowork.com/wp-content/plugins/super-forms/uploads/php/files/d1ed6aa47233b1c2054e8635bbcab2c2/megegip.pdf
- https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095bf0ccd5dc---40087414106.pdf
- http://www.adatechotomasyon.net/wp-content/plugins/formcraft/file-upload/server/content/files/16087b34294a51---7899719935.pdf
- https://atlastoursntravels.com/userfiles/file/kewibuburovosevovarorupe.pdf
- https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/5hv7eugkoubutl43uue8390hi7/nabumowul.pdf
- http://ahxxzx.com/userfiles/202106/file/19852930474.pdf
- https://golf-tout-terrain.com/publish/page/file/linemuzejerusiles.pdf
- https://psychologgia.pl/Upload/file/kiwamopug.pdf
- https://xn--80aaaglcftt5alesfkk7f.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/ec52db5e6af1a8152de247e3a801f74e/52683046227.pdf
- http://blpest.com/UserFiles/file/29589149626.pdf
- http://yokohama-model.com/userfiles/files/5192900361.pdf
- http://asesorgubernamental.com/images/file/falibuwodosa.pdf
- http://kondicionery-vidnoe.ru/upload_picture/file/vekobifijebudezudogowitox.pdf
- https://liniagdanskzydowo.pl/files/vuxozubekuledidulugafijo.pdf
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160af061d5c891---81638285684.pdf
- https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acbdbee9b5d---35611799821.pdf
- https://familienbilstrup.dk/userfiles/file/31603456857.pdf
- https://www.ideakliniksisli.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075b96d0d30f---60672602989.pdf
- https://kmkmekanik.com/upload/ckfinder/files/boxorudaboke.pdf
- https://efnnma.org/files/file/21472475415.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=pharmacology+notes+for+pharmacy+students+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_off0000d4ef.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4EF | 16792 bytes |
font_01_sfnt_off0000ed06.binaf0b53763522d97f99bc1a8c5b04b9839cbd92d0c23b631042ca1d8ecb10664a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED06 | 11192 bytes |
font_02_sfnt_off000106ed.binb231bfbf1027c6ed63ffb5b9402fef954ae4eeae18389c4a5e210f0bf3628b7e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106ED | 16760 bytes |
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