MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous external links, with several pointing to compromised WordPress upload directories, indicating a link farm designed to redirect users to potentially 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 0.9991
Heuristics 6
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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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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://irlanc.ru/uplcv?utm_term=holiday+food+trivia+questions+and+answers PDF link annotation
- https://electroagro.es/pub/files/fipopowafen.pdfIn PDF document text
- http://tropo-design.com/ckfinder/userfiles/files/55327282660.pdfIn PDF document text
- http://ciskmv.com/css/file/nesozubatotabetejomod.pdfIn PDF document text
- http://www.c-l-r-p.com/admin/ckfinder/userfiles/files/waponedamibug.pdfIn PDF document text
- https://soccerauquebec.com/userfiles/file/besegigezamop.pdfIn PDF document text
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613ed43b0cd55---taniwukesi.pdfIn PDF document text
- https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/a50329d999a892781e1a3fbc14ffff6e/sukovijamedomezuvipes.pdfIn PDF document text
- http://xn----8sbnbd9chja.xn--p1ai/userfiles/file/92309763153.pdfIn PDF document text
- http://jikaramen.com/uploads/files/9800794746.pdfIn PDF document text
- https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613082dbc06ac---66941519082.pdfIn PDF document text
- http://microcement.ua/userfiles/file/70380920248.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614ccc743a58e---95774895455.pdfIn PDF document text
- http://inbeeldt.nl/userfiles/file/biwojikogalikujujek.pdfIn PDF document text
- http://4els.ru/uploads/images/files/kisiromitadoxiwaw.pdfIn PDF document text
- https://www.pension-chevaux-haras-gabereau.fr/ckfinder/userfiles/files/losebuwifibirab.pdfIn PDF document text
- http://brianhaymore.com/images/e/file/naguzujirafunudipijej.pdfIn PDF document text
- https://eingangrad.ch/userfiles/files/42760909852.pdfIn PDF document text
- http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/161508afb69b57---futesumu.pdfIn PDF document text
- http://syntrend.critical.tw/upload/files/sukejigoru.pdfIn PDF document text
- http://rentappli.com/tinymce/jscripts/tiny_mce/plugins/phpimage/phpimage/upload/images/file/jozozoja.pdfIn PDF document text
- 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_off0000ae20.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE20 | 15728 bytes |
SHA-256: c843db11a2c4f3eebd3a83ba1749b1f626251dd4c1a617fac00e038584c50bf3 |
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font_01_sfnt_off0000d582.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD582 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ed99.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED99 | 10848 bytes |
SHA-256: eedc8fb4079693d28e067699e4ef0d6b9c4b6e97fa4512193c7f9d373b779183 |
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