MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised WordPress uploads and disposable hosting, suggesting a link farm intended to lure users to external sites. The document body is largely unreadable binary data, providing no direct content-based clues.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://acp-luxusingatlanok.hu/ckfinder/userfiles/files/lukuwuz.pdf In PDF document text
- http://danguykhoidoanhnghiephp.vn/Upload/files/bolotupujed.pdfIn PDF document text
- https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613ef9312eb8b---31867048797.pdfIn PDF document text
- http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/16141458338e55---ribunofew.pdfIn PDF document text
- http://lotusburbank.com/uploads/files/nezipasosi.pdfIn PDF document text
- http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161472de03db50---lukivexinekelasamezef.pdfIn PDF document text
- https://www.esfa.bg/root/ckfinder/userfiles/files/15635357848.pdfIn PDF document text
- https://thic.net/plugin/ce1/ckfinder/userfiles/files/73245992659.pdfIn PDF document text
- http://hacoauto.vn/upload/files/posajikuvedepidiwotak.pdfIn PDF document text
- https://ecowaytechnologies.com/ckfinder/userfiles/files/99992256619.pdfIn PDF document text
- http://avvocatogiuliani.it/userfiles/files/gajujojogipopirubop.pdfIn PDF document text
- http://intproplaw.com/admin/uploads/file/tofilizovapebaj.pdfIn PDF document text
- https://fceresources.com/ckfinder/userfiles/files/gapavaxenedurur.pdfIn PDF document text
- https://onhimalayas.com/ckfinder/userfiles/files/buzuxukagox.pdfIn PDF document text
- http://magendans.com/imagefiles/file/jinif.pdfIn PDF document text
- https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/37d0eb8c4b728263faebf935a8d9a24b/11705372935.pdfIn PDF document text
- http://ttc-investco.com/img/files/51991469831.pdfIn PDF document text
- http://ergakiland.ru/files/files/xifoxozobalolorimogeri.pdfIn PDF document text
- http://studiocalcinoni.com/userfiles/files/silorabusodaki.pdfIn PDF document text
- https://liepasmuiza.lv/userfiles/library/96371970180.pdfIn PDF document text
- http://fitviewer.de/files/file/buxixugudobum.pdfIn PDF document text
- https://braveathlete.net/geektic/files/39459859634.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=how+to+get+rid+of+cache+on+androidPDF 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_off0000ea35.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA35 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001024c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1024C | 10620 bytes |
SHA-256: e943d070eccf8628bad1c8874d7317ece691ab07e6b9665860eec00bd16b6514 |
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font_02_sfnt_off00011a50.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A50 | 18376 bytes |
SHA-256: aac14c034a3e7c2394f4de7a5e3a0f7caa3efb85e24219df5fc979322cbf9f4c |
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