MALICIOUS
236
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many pointing to compromised CMS upload directories, suggesting a link farm designed to redirect users to malicious sites. Heuristics indicate a fake CAPTCHA or human verification prompt and a payment redirection lure, strongly suggesting a phishing or business email compromise attack. The ML classifier and ClamAV detection further support the malicious nature of this document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 8
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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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Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LUREDocument describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
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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://chefinhogourmet.com/wp-content/plugins/super-forms/uploads/php/files/2f0a187c3bafbe3acdb5765ebb360123/wofakarizisibarukuvofagel.pdf
- http://orlickachata.cz/files/files/46991730640.pdf
- https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/f6e70cfc0443fc6b2b1e3d32d52ddfe7/baxovugotasaj.pdf
- http://absolutelyneon.com/userfiles/file/xirirulalixuxilajunotomog.pdf
- http://call.ae/wp-content/plugins/formcraft/file-upload/server/content/files/1609efd2794e1d---zofadu.pdf
- http://traiteur-ribot.fr/userfiles/file/52087126948.pdf
- https://aftaplan.com/works/peepsparty/html/upload_files/file/kulimasudubisumelasopelu.pdf
- https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/ee72dddf2f6ded7c6a78da6d3a7e19e1/94356632236.pdf
- https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e2230318d21---vafakobiguvojiwega.pdf
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a095fa24339---34427080385.pdf
- http://khiconghoixuancong.com/Khicong/admin/userfiles/file/vipefireg.pdf
- http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e98b0ecb0a---32746266533.pdf
- https://ghnservizi.com/file/86402234613.pdf
- https://licorne-hotel-restaurant.com/userfiles/file/24948866212.pdf
- http://interel-rus.ru/test/sites/default/files/file/19349974474.pdf
- http://dbcasagayathottam.org/assets/uploads/cms_images/files/71605769538.pdf
- https://bitree.ru/ckfinder/userfiles/files/xezikufefokaxoxupenaj.pdf
- http://feriaalainversa.com/uploaded/files/suvitesivudavokosesazugo.pdf
- http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b040fd77a8a---2479310669.pdf
- https://www.herewardcarpets.co.uk/wp-content/plugins/super-forms/uploads/php/files/8pdf8vrpoubslr5a7ejjvu0dq9/29911783779.pdf
- http://www.segurosfacility.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608c1edfabf61---xorurafurisilo.pdf
- http://luatsuphutho.com/upload/ck/files/42625787025.pdf
- http://ourjamesfamilyhistory.com/clients/1/14/146a9f92d0a296c7c29e793db058bb30/File/53952724197.pdf
- http://chiengthai.com/file_media/file_image/file/vonixenivarufu.pdf
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/160c31820f1f97---movorizuxetifowe.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=free+instagram+followers+generator+without+verification
- 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_off0000f4ed.binf5462685aff17b6c176f4d9da00b5a1bea7a7ec1c6de3f939647bdaf8765e250 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4ED | 11012 bytes |
font_01_sfnt_off00010e74.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E74 | 16792 bytes |
font_02_sfnt_off00012686.bind8b43fbc234d8ec7744315029a69b203d32e666c949636d50204785c1d34b13d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12686 | 17632 bytes |
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