MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs pointing to various websites, many of which appear to be compromised CMS uploads. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and the high number of distinct hosts suggest a deliberate attempt to create a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 6
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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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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://nomylo.ru/uplcv?utm_term=present+perfect+past+simple+present+perfect+continuous+exercises+pdf PDF link annotation
- https://proektasis.gr/admin/spaw2/uploads/files/julepategevobeketugoxav.pdfIn PDF document text
- https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/6f99a77c1ea30b284f9c7c9b0cb356c0/fibuga.pdfIn PDF document text
- http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a06a728a3da---57801035374.pdfIn PDF document text
- https://www.restaurant-latableedevercel.com/ckfinder/userfiles/files/94189048886.pdfIn PDF document text
- http://mcap.cz/images/uploadedimages/file/9416917435.pdfIn PDF document text
- https://teenvolunteer.org/wp-content/plugins/super-forms/uploads/php/files/5bfb7d458548282cf20a2f2fd4221057/64214760260.pdfIn PDF document text
- https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be78d612e7f---17948109921.pdfIn PDF document text
- https://edarky.net/data/file/26752129054.pdfIn PDF document text
- http://benetalent.com/upload/files/78497893831.pdfIn PDF document text
- http://kimhoatra.com/upload/fckimagesfile/1130117532.pdfIn PDF document text
- https://prokoncept.hu/admin/blogfck/image/file/memivonivubajamifapojab.pdfIn PDF document text
- https://eownauto.com/uploadpic/files/69745463584.pdfIn PDF document text
- http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160791de31edec---91284420105.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c752bf75713---47019790095.pdfIn PDF document text
- https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608efb6be149e---31846043365.pdfIn PDF document text
- https://jennysbooks.com/wp-content/plugins/super-forms/uploads/php/files/9bc7bf2a36bb34d35cf037e3536f71d2/5377072728.pdfIn PDF document text
- http://sibmetiz.ru/upload_picture/47403618861.pdfIn PDF document text
- http://burrburroughsfamily.com/clients/55468/File/jumizozedus.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160e438f8e223d---lumisotolituja.pdfIn PDF document text
- http://fructusartis.com/i/File/15945380475.pdfIn PDF document text
- http://www.predia.cz/userfiles/file/dagibexoxulorupupalipuri.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_off0000e768.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE768 | 10984 bytes |
SHA-256: aaae52c401d9b0726ac61c370b61660b31c3fe05e50ec40ba744e9e678c48384 |
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font_01_sfnt_off000100ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100ED | 18780 bytes |
SHA-256: c4b0457b5225831bf2d105733f8b786c20061656eae1d68e2a7130210bbbb4bb |
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font_02_sfnt_off000131cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131CD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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