MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which are hosted on compromised or disposable domains, suggesting a link farm designed to redirect users. The presence of a 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic and a 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' heuristic strongly indicates a phishing or malware distribution attempt. The ML classifier and ClamAV detection further support the malicious nature of the file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://pistant.ru/uplcv?utm_term=2021+pokemon+go+hack PDF link annotation
- http://skolicka.eu/foto/images/file/14528652835.pdfIn PDF document text
- http://saringkarnwood.com/UserFiles/file/23682827031.pdfIn PDF document text
- http://smenergy.kr/uploaded/file/493360431612fdbecc47cb.pdfIn PDF document text
- http://shepardinteriordesign.com/rw/upload/file/40726260354.pdfIn PDF document text
- http://rexant.by/upload/editor/files/fodovesorizagivofeje.pdfIn PDF document text
- http://svx.su/ffile/file/tibitazajewub.pdfIn PDF document text
- http://autodilykanka.cz/cmsimple/images/file/86758783519.pdfIn PDF document text
- http://lg-palette.com/upload/files/lepubejipat.pdfIn PDF document text
- https://yellowstonewildlife.com/32923115691.pdfIn PDF document text
- https://sluganarodu.org/userfiles/files/venal.pdfIn PDF document text
- https://podimercrm.com/img/files/70888935099.pdfIn PDF document text
- http://strap.sk/uploads/file/leviwudopalufalag.pdfIn PDF document text
- http://cortabellanews.com/userimages/ribemopixidifawifetowi.pdfIn PDF document text
- http://oikoscoccatoarchitettura.com/userfiles/files/gokelulakulisesixu.pdfIn PDF document text
- https://inunekocp.jp/mailmagazine/upload/files/89852531716.pdfIn PDF document text
- http://studioarchperissinotto.eu/userfiles/files/tivasuvinax.pdfIn PDF document text
- https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d079ded566---28675736410.pdfIn PDF document text
- https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/f9dd9a27fb274d1beda591230859b64a/mumukogul.pdfIn PDF document text
- http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613ddd176b717---nerowupuri.pdfIn PDF document text
- http://tbm-mova.by/images_from_html_editor/file/rudevexewafak.pdfIn PDF document text
- https://indoshaolinkungfusociety.com/ckfinder/userfiles/files/jedow.pdfIn PDF document text
- http://jiab.net/userData/board/file/sijegefugugelixefejasodag.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_off0000df5d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF5D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f774.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF774 | 10604 bytes |
SHA-256: 3a63413230a98eed0b880b64ea1a29828ab2a06d2d4bff3291856bf4ba87dc89 |
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font_02_sfnt_off00010f85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F85 | 18340 bytes |
SHA-256: 37e293bebc0e995b5e7a907c68a43eac8afc096090a29209d91c40e287567b92 |
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