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 identified as phishing/trojan. Heuristics indicate it functions as a link farm, directing users to multiple external URLs, some hosted on compromised WordPress sites. The embedded URLs and the nature of the heuristics strongly suggest a phishing or malware distribution attempt.
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://medvor.ru/uplcv?utm_term=hopes+of+the+living+dead+pdf+download PDF link annotation
- https://sarenpinler.com/calisma2/files/uploads/21392002236.pdfIn PDF document text
- http://exosushi.com/uploads/files/livuzipunupujagojilaxopap.pdfIn PDF document text
- http://nuklearmedizin-amro.de/userfiles/file/sunerovubidedux.pdfIn PDF document text
- http://fslawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/86126108392.pdfIn PDF document text
- http://fskyok.com/uploadfile/files/lomunumofuweter.pdfIn PDF document text
- http://hrzservices.com/uploadfiles/file/dijazok.pdfIn PDF document text
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1614080f8de068---pupizotiw.pdfIn PDF document text
- http://davidhammerstein.org/userfiles/file/41994877821.pdfIn PDF document text
- https://haruhonpo.com/upload/haruhonpo/files/xibogedol.pdfIn PDF document text
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/1612ede2ee6c06---gataxunupider.pdfIn PDF document text
- http://petra-koparki.pl/Upload/file/9198810852.pdfIn PDF document text
- https://fetogram.ir/images/upload/files/puboguzenitotafewe.pdfIn PDF document text
- https://drakbera.com/ckeditor/ckfinder/userfiles/files/11291643511.pdfIn PDF document text
- http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161403467826ab---98088354389.pdfIn PDF document text
- http://cck-brno.cz/ckfinder/userfiles/files/tipewo.pdfIn PDF document text
- http://www.predia.cz/userfiles/file/53005548169.pdfIn PDF document text
- http://stl-log.com/htdocs/cljr/data/files/fobabobawozuvopisexa.pdfIn PDF document text
- http://sevenseahotel.com/uploads/images/files/polatavopomil.pdfIn PDF document text
- http://sitarofindiamd.com/userfiles/file/ritivivekipije.pdfIn PDF document text
- http://nuovartea.eu/userfiles/files/xarivoba.pdfIn PDF document text
- https://www.artikel238.nl/emmwebbit/resources/ckfinder/userfiles/files/50835439331.pdfIn PDF document text
- http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16145163c60073---zilekesomigamejuke.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_off0000c836.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC836 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e048.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE048 | 17784 bytes |
SHA-256: 10a160659e38ff8652b8f8ab9cec73dbae38d33d478d65c7d2e1cf59aa962950 |
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font_02_sfnt_off00010e35.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E35 | 10820 bytes |
SHA-256: 42c55db90ad39d379f55e42a73a4a8189e426eb45ed359ffb8b8376460e2a6cb |
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