MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload directories and disposable hosting, indicating a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613ac6f479fdf---674591879.pdf In PDF document text
- http://stonepigments.com/userfiles/file/46668758821.pdfIn PDF document text
- https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/tcauai51vgcegv03li5kkj4jc6/89921258160.pdfIn PDF document text
- https://tavcam.com/upload/ckfinder/files/rotovipav.pdfIn PDF document text
- https://isabellepieman.com/userfiles/file/91131997702.pdfIn PDF document text
- https://yaofangpeixun.com/upload/files/kamapurajixefika.pdfIn PDF document text
- http://savitaco.com/uploads/images/files/jojevotud.pdfIn PDF document text
- https://bike-accessories.supersites.gr/content/ckfinder/files/49809997219.pdfIn PDF document text
- https://orig-shop-gsm.ro/ckfinder/userfiles/files/sikufowuwofubunaruzapar.pdfIn PDF document text
- http://kenhuffbuilders.com/userfiles/file/mususujilafom.pdfIn PDF document text
- http://kaies.net/upfiles/file/jusulupopa.pdfIn PDF document text
- https://arrad.ch/modules/ck/ckfinder/userfiles/files/kesivolut.pdfIn PDF document text
- https://www.tahitotfalu.hu/ckfinder/userfiles/files/rutakomadugadiwos.pdfIn PDF document text
- http://makassitools.com/userfiles/file///39956575969.pdfIn PDF document text
- https://kaptenhoki.org/contents/files/96790109735.pdfIn PDF document text
- http://nationalherbo.com/userfiles/file/49065567192.pdfIn PDF document text
- https://dukra.sk/editor_uploads/files/22233642400.pdfIn PDF document text
- https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ae5340b1ce---3749690443.pdfIn PDF document text
- https://rezilta.com/psum/admin/userfiles/file/56499290486.pdfIn PDF document text
- http://assushop.com/userfiles/assushop.com/file/juvamopowo.pdfIn PDF document text
- http://jobsandhi.com/uploaded_files/userfiles/files/lewigutun.pdfIn PDF document text
- http://wittlich-luexem.de/userfiles/file/32895460541.pdfIn PDF document text
- https://saikekanglun.com/filespath/files/20210901094454.pdfIn PDF document text
- http://rimini-portal.de/bilderarchiv/file/35910114846.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=latest+iptv+smarters+for+firestickPDF 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_off0000bc11.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC11 | 16032 bytes |
SHA-256: a2a5adac5704a31d3f28582f8c14bca0ea18b44393824462164b9d6501710688 |
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font_01_sfnt_off0000e46d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE46D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fc84.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC84 | 10608 bytes |
SHA-256: 52d0b96a2ac71cd1a6a51cd65f80acf68a230a3a02ea2e4bb4322aacb5cb261e |
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