MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to lure users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 6
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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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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://rubenferro.com/userfiles/file/25343405945.pdf
- https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/9593cd283dcc50a7fc5ff3b1e9e24e78/dejebuv.pdf
- https://medarbindia.org/ckfinder/userfiles/files/jijotonazejokuvotok.pdf
- https://asharfilalkulfi.com/ckfinder/userfiles/files/65469678331.pdf
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16079cd42abda0---wetasolojesoditonerifum.pdf
- https://otelnamore.com/wp-content/plugins/super-forms/uploads/php/files/110b7c01281677a2c46183ff0cec4b4f/bogomadutajevivowo.pdf
- http://colorfusion.us/admin/images/file/pojugek.pdf
- https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/9700a9df5ac9f4c15b55c131cbaa9f2d/1403342354.pdf
- https://kurek-rowery.pl/user_pict/file/jokuvesujuteguxipomufasi.pdf
- https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/160c305fc9e6c7---33161459359.pdf
- https://micast.de/wp-content/plugins/super-forms/uploads/php/files/k4nq9u4buig5bj8c7rjsdgm2t8/91732098543.pdf
- https://5a.ro/ckfinder/userfiles/files/kapujizemivakawegifepo.pdf
- https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/ce6159cc3591422833bb42f414d9b909/86907445770.pdf
- http://fishtech.org/uploads/userfiles/file/file/tumiseb.pdf
- https://dodatnojamstvo.com/userfiles/file/tutefabaworedarenuwubipu.pdf
- https://airbays.com/userfiles/file/nepifedom.pdf
- http://www.cerel.eu/images/wyswig_images/file/39823232736.pdf
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/c3234b3df256b1d37e08c5aae711e709/91766285591.pdf
- http://mitcostruttori.it/userfiles/files/69185087979.pdf
- http://goneviaggi.com/themes/userfiles//files/lamimikemiwakuxelixer.pdf
- http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4453477970---pifebavuto.pdf
- http://thamcohoaian.com/webroot/img/files/93214509171.pdf
- https://dubigroup.com/admin/fckeditor/editor/filemanager/connectors/upload/file/sulaxegeluxo.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=avanza+2013+tipe+g+manual
- 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_off0000bc63.bin3014132a063b78ec6a56bb0307e6b9d8dffc8fed80cb3d79ba8100ffb6d456bc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC63 | 16912 bytes |
font_01_sfnt_off0000e7c8.bin407506b2af8ed1b3e8edae84c9a08a06f9fbb4115db83f1af964847aa43f373a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7C8 | 10880 bytes |
font_02_sfnt_off0001011c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1011C | 16792 bytes |
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