MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a fake CAPTCHA or human verification prompt, a common lure to trick users into downloading further malicious content. Multiple heuristics indicate this is a link farm pointing to compromised WordPress upload storage and disposable hosting, suggesting an attempt to distribute malware. The ClamAV detection and ML classifier further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHADocument displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
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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 http://beveragesgs.com/userfiles/file/70009618375.pdf
- http://colegiosantarosa.com/uploads/imagem/file/duvidubizuwazegebaj.pdf
- https://www.ideaklinikankara.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079187e86f32---9708176634.pdf
- http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a68d18c1484---rigemijawixoz.pdf
- http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1609e0d5986317---fumus.pdf
- http://www.molinoag.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608675cb31ae5---xafefug.pdf
- http://divorcefinance.nl/uploads//file/46671966303.pdf
- https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/7de4d36cb598134ef1a926e73fbff838/botizidulagixekuxudow.pdf
- http://jinxinghotel.com/uploads/files/24989998432.pdf
- http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d6a248d4ae1---28832044415.pdf
- https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8deb7b730e---nupazexugumomazuju.pdf
- http://www.highlandmetals.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16073e06f1843f---sezimixulazises.pdf
- http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609224d24e553---57307684975.pdf
- http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d0404c67b4---88084332070.pdf
- https://nakipoglugroup.com/upload/ckfinder/files/44467676809.pdf
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/fjp64e1pbfad97vhqks8er2i53/16986998083.pdf
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/160afdb3753d04---zajirajure.pdf
- https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/878661ea7edc387b1cb5c5872cde5126/49835478179.pdf
- http://georgefamilyreunion.org/clients/86186/File/kalutajuroviso.pdf
- https://myphi.biz/nbloom/fckuploads/file/70205302830.pdf
- http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b1a6eabff9---24600428059.pdf
- https://schmitz.cz/res/file/lepafat.pdf
- https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/16073a7c1363f9---96362660617.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=first+mt+olive+baptist+church
- 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_off0000be39.bin08c373e5ddf01579476d3c368a00506b4a0fafa4af85849551e8930c58abd431 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE39 | 10820 bytes |
font_01_sfnt_off0000d6fb.bin8dccf8ee36880e141bbfb6abdef143d53aa586828ef4cbedf5a51155e5096ce6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6FB | 17216 bytes |
font_02_sfnt_off0001042b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1042B | 16792 bytes |
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