MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many pointing to compromised WordPress sites, suggesting a link farm used for hosting malicious files. The presence of a 'download button' heuristic and ClamAV detection further supports a malicious intent. While no scripts were directly extracted, the PDF structure and URL patterns are indicative of a phishing or malware distribution scheme, likely disguised as a download lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/c7723f6ee72c6ccbe6bd278fa7fffa75/21523980529.pdf
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1609fe622d6e7f---xositexapelasoxumuvone.pdf
- https://flycam.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16072d594bcb24---foxusaxiko.pdf
- https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f14964e2d1---15553067480.pdf
- https://zlato-eu.cz/upload/files/12864283507.pdf
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609847db808bd---zowibosefigegesovunuture.pdf
- http://project-lovcen.me/userfiles/file/lulatazo.pdf
- http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/20858f6c0d9c3f656154fcbfa327298a/58002518105.pdf
- https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c864c3412ff---91036250969.pdf
- https://abofahed.com/userfiles/file/38664752943.pdf
- http://htwy.com/upload/file/xomonopex.pdf
- http://niestachow.pl/data/aktualnosci_imgs/file/26352872902.pdf
- https://marblo.com/app/webroot/img/files/vinoz.pdf
- http://rana-international.com/userfiles/files/samuxowusevivamepunagudod.pdf
- http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e70ab9ceca7---xigiruwivufakivebidi.pdf
- http://rbtyutj01.com/userfiles/files/xujopavivo.pdf
- https://rebates.forex/wp-content/plugins/super-forms/uploads/php/files/sprn3tn6fsvojpqi4skcnqrjv6/baruvo.pdf
- https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/16070d3a0efe6f---22715672845.pdf
- https://catequesisnavarra.org/guiarte_userfiles/files/relokewisoji.pdf
- https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/62eb67057b52613313fdc7cdb3c61e45/5804108525.pdf
- https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e348ce8c802---10515080778.pdf
- http://bluecars.pl/userfiles/file/xolam.pdf
- http://www.valathors.com/ckfinder/userfiles/files/76359665365.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=download+novel+romance+bahasa+indonesia+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_off0000dd3a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD3A | 16792 bytes |
font_01_sfnt_off0000f54c.bine86da6d50a4739efc8892b2a16750175dd288bdc3482eba81b62cd628436d01a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF54C | 17360 bytes |
font_02_sfnt_off000122bd.bin3cff3a1ead59dd7ab068ac341ee551621ddbb28daae2bb743819446e672ff9f1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122BD | 11080 bytes |
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