MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The file is a PDF that contains numerous links to compromised websites, many of which host other PDF files. The 'SE_CALLBACK_LURE' heuristic indicates the document's content is designed to prompt the user to call a phone number, consistent with phishing or tech-support scams. The ML classifier and ClamAV detection strongly suggest malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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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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) or Microsoft license-boilerplate 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://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/19sab4sb119feuq27otb5nnt4a/95287773249.pdf In PDF document text
- http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1606f08bf73263---tabadaf.pdfIn PDF document text
- http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/16087f91fb6228---famebisaxu.pdfIn PDF document text
- http://xboxheerlen.nl/userfiles/file/7020112518.pdfIn PDF document text
- https://veglifekc.org/wp-content/plugins/super-forms/uploads/php/files//sobebevemiwefubivuvotum.pdfIn PDF document text
- https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/4rscppbnlsmli486noomv78ied/41587440086.pdfIn PDF document text
- http://montpellier-business-plan.eu/mbp/upload/images/images/upload/ckfinder/42732392210.pdfIn PDF document text
- https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/160bce02c07974---borijegewe.pdfIn PDF document text
- http://www.sevenchurchestour.net/seven/wp-content/plugins/formcraft/file-upload/server/content/files/1607e7d2ce70aa---13582506879.pdfIn PDF document text
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076942a09b33---tusemuxejifaduwel.pdfIn PDF document text
- https://martybermanassociates.com/wp-content/plugins/super-forms/uploads/php/files/30422d8200c334479c96e978a1c9ec8d/bamatofazapifezuvetomezo.pdfIn PDF document text
- https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/16096b3f841ec1---koniwi.pdfIn PDF document text
- https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/2458941295ec59523ccda3c08f5f44c7/rukidituzosijiwazu.pdfIn PDF document text
- http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a65df7a7ee2---12922368675.pdfIn PDF document text
- https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/80282c9034292c7e2814d243ece5cb7e/45200759200.pdfIn PDF document text
- http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607bc542d110f---34541869138.pdfIn PDF document text
- http://seigyobannkaigaikikaku.com/ckfinder/userfiles/files/wefinumogesodil.pdfIn PDF document text
- https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/btvkdf7aigme7dm4jou92prqm2/lewojipuxogegisawufa.pdfIn PDF document text
- https://bio86.net/fichiers/piruxemofezekisakoxenenin.pdfIn PDF document text
- http://nessium.net/userfiles/file/mugibuxagobapitesowiz.pdfIn PDF document text
- https://ilcaminodaugo.it/file/2533340219.pdfIn PDF document text
- https://aedwea.com/upload/foto/nulowoguduburube.pdfIn PDF document text
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/5080f27af7be3c2c4b85e3c943aa0cce/mexatogazativutomamidam.pdfIn PDF document text
- https://gauravkankariya.com/wp-content/plugins/super-forms/uploads/php/files/1ld2b0ou04l6fos3m3v7pvtdl3/89507129445.pdfIn PDF document text
- https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/2mspqspl890k6ngkdhqfrkrqde/42042626724.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=mobile+county+community+correctionsPDF 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_off0000d2d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2D7 | 16988 bytes |
SHA-256: c4e50d675e46caa21b3e95a10dd95b1dacd24d805f9a383fcad878c0901349b7 |
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font_01_sfnt_off0000ff35.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF35 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001174c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1174C | 10576 bytes |
SHA-256: 4bdec5dda1fdecf3957404cd07128186e7d2df3f02b2785c40a6bd1911679475 |
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