MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to various PDF files hosted on potentially compromised websites, which is a common tactic for distributing malware or conducting phishing attacks. The presence of multiple external URIs and a link farm heuristic further supports this attack pattern.
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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/a0d5e75dfe6a85bd21563a430adccc24/32527799578.pdf In PDF document text
- http://audiencefertilization.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/55486843785.pdfIn PDF document text
- http://budoprojekt.eu/obrazy/file/zifuzalexosupekukit.pdfIn PDF document text
- http://rambud.pl/uploaded/file/93734048344.pdfIn PDF document text
- https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/85e5g3b59e1rio45heukblcnta/nolofosifoxojol.pdfIn PDF document text
- http://benevolo.it/userfiles/files/rodimekilen.pdfIn PDF document text
- http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160866c6c8f93c---vevegor.pdfIn PDF document text
- https://www.comperat-89.fr/ckfinder/userfiles/files/jifopakezigefunogodidamo.pdfIn PDF document text
- https://ethiquedevelopers.com/wp-content/plugins/super-forms/uploads/php/files/2b9f803ad24f0f1f0a655fd583182e0c/mitebuxali.pdfIn PDF document text
- https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/7qubknt5j27vkv9r5pef46ovq5/44230810240.pdfIn PDF document text
- http://medob.org/SITE/files/editor/file/45674316742.pdfIn PDF document text
- http://hidramaco.com/files/files/42323807053.pdfIn PDF document text
- https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/fd49aa2a254753f0571842753eba4a4d/vebufozozixesov.pdfIn PDF document text
- http://albino-pitti.com/pub_img/file/lizesetuvusuvikoxuv.pdfIn PDF document text
- http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a868267865b---wegipekotawimofewa.pdfIn PDF document text
- https://dixietemporarystorage.com/wp-content/plugins/super-forms/uploads/php/files/776d4bfce0320e9cc477d90da17f0b67/72426473921.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611edbcc8b5b2---zirozubutufusawibu.pdfIn PDF document text
- https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607d98599dcf8---vijulefirifike.pdfIn PDF document text
- http://bhttourist.com/upload/fckimagesfile/50383852240.pdfIn PDF document text
- https://pointswestliving.com/ckfinder/userfiles/files/67962964972.pdfIn PDF document text
- https://gbagencement.fr/uploads/file/rudan.pdfIn PDF document text
- http://magic-mugs-factory.com/uploadfile/files/96943431312.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=electronics+and+communication+engineering+mini+projects+pdfPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010408.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10408 | 16848 bytes |
SHA-256: 1cf984c3e56552571c8239d4d0d5829ca3dc785d931ff459af5a772408b43050 |
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font_01_sfnt_off00013001.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13001 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00014818.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14818 | 11176 bytes |
SHA-256: a8624dece9e2af90dfdfc446f9681560c3db36ab11dc4fee2cadc864d4f8264e |
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