MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics and an ML classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous embedded URLs, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The primary purpose appears to be distributing malware or facilitating phishing attacks through these external links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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=wonder+video+pro+apk+download PDF link annotation
- https://zenmobile.in/jaipriyart/uploads/files/55776037408.pdfIn PDF document text
- http://csc-0411.com/userfiles/file/20210911110245_bfl6vc.pdfIn PDF document text
- http://kingkady.com/uploadfile/files/zadufug.pdfIn PDF document text
- http://21cedu.com/pds/userfiles/files/27490227332.pdfIn PDF document text
- https://fatheragneliti.com/wp-content/plugins/formcraft/file-upload/server/content/files/161486499e5157---88872308894.pdfIn PDF document text
- http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130f8cf617b9---8417568059.pdfIn PDF document text
- https://www.frontiermyanmar.com/sites/all/libraries/ckfinder/userfiles/files/tudimovar.pdfIn PDF document text
- http://contrast.no/ckfinder/userfiles/files/95544258382.pdfIn PDF document text
- http://rigosarchitects.gr/userfiles/file/sexawudokelugotolilowu.pdfIn PDF document text
- http://coimbrasoftware.hu/images/uploads/files/vubunirebupibeken.pdfIn PDF document text
- https://ladulceseguros.ar/noticias/fckeditor/file/fofatege.pdfIn PDF document text
- http://alsace.annuaire-regional.com/ckfinder/userfiles/files/28673531686.pdfIn PDF document text
- http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614572e93dfd5---59203610565.pdfIn PDF document text
- http://studiotipaldo.com/userfiles/files/38355820743.pdfIn PDF document text
- http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16139eb12cb15c---sevaperexotedisawupe.pdfIn PDF document text
- http://studiosantese.eu/userfiles/files/sagurufinolofogixulo.pdfIn PDF document text
- http://rts-3.ru/upload/files/48565346188.pdfIn PDF document text
- https://griby.biz/ckfinder/userfiles/files/97141346784.pdfIn PDF document text
- https://mancomunidadvaldizarbe.com/userfiles/files/89324217150.pdfIn PDF document text
- http://www.alliance-bio.com/user_data/editor/ckfinder/core/connector/php/upload/files/59698922681.pdfIn PDF document text
- http://sys-svinding.dk/userfiles/file/69442743672.pdfIn PDF document text
- http://art-wonders.com/ckeditor/ckfinder/core/connector/php/uploads/files/3254763233.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_off0000ace1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xACE1 | 16448 bytes |
SHA-256: dc1ffa28be7a289cd458d3997e3297292fda032eb976bd87c2761ff28bad4de3 |
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font_01_sfnt_off0000d6b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6B2 | 10356 bytes |
SHA-256: e162526e175c05d7893dcf6f83287c3bb39d6577b4f81924f4b59aa0c3b8a9cc |
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font_02_sfnt_off0000ee2f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE2F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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