MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable domains, indicating a link farm designed to lure users to potentially malicious content. The ClamAV detection and ML classifier strongly suggest a phishing or malware distribution intent. The presence of a 'download button' heuristic further supports a deceptive user-interaction workflow.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://krisoc.ru/uplcv?utm_term=creative+sound+blasterx+g1+manual PDF link annotation
- http://fleschimmo.lu/userfiles/files/9147610512.pdfIn PDF document text
- https://sitarasign.ir/data/file/45616773046.pdfIn PDF document text
- https://successstudio.net/userfiles/file/12590196758.pdfIn PDF document text
- http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/153bce0e683f19afe83ef0935ae603ed/zubifixekegatowugoro.pdfIn PDF document text
- http://01host.ru/userfiles/files/venemukufidivateb.pdfIn PDF document text
- https://alexandrapanayotou.com/web/images/static/file/80926317849.pdfIn PDF document text
- http://gowowdeli.com/uploads/files/17775500609.pdfIn PDF document text
- http://unipsyclinic.com/userfiles/file/20210618091243.pdfIn PDF document text
- https://rhagro.com.mx/wp-content/plugins/super-forms/uploads/php/files/20ffe4f10dc8b2eaf7a1d6a6d54ed4c3/xamokeroxamer.pdfIn PDF document text
- http://kaitosushisb.com/uploads/files/68126859696.pdfIn PDF document text
- https://peptidturkiye.com/ckfinder/userfiles/files/68377707971.pdfIn PDF document text
- https://systematix.pl/userfiles/file/71016273975.pdfIn PDF document text
- http://mdsalon.ru/img/lib/file/67764966831.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8d7535cdbf---gabekonatojerekog.pdfIn PDF document text
- https://www.oalysa.cz/ckfinder/userfiles/files/fisabefinalabep.pdfIn PDF document text
- http://argyleliquidations.com/userfiles/files/85357812896.pdfIn PDF document text
- http://flatadministration.com/uploades/fckeditorfile/vemisegejojojejakida.pdfIn PDF document text
- http://revtechnik.cz/userfiles/file/fowofetujafefufudusas.pdfIn PDF document text
- https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095762d21470---tisakebaviruti.pdfIn PDF document text
- http://psychologkmalinowska.pl/ckfinder/userfiles/files/dikeveradufasisejut.pdfIn PDF document text
- http://madiagranitosilano.it/userfiles/files/49840833535.pdfIn PDF document text
- https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b3d3bf6cb13---kenaje.pdfIn PDF document text
- http://advicetao.eu/pictures/file/85806112072.pdfIn PDF document text
- https://cuisinescartier.ca/upload/editor/file/35721436222.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_off0000d6bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6BB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eecd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEECD | 18384 bytes |
SHA-256: f40f9dfe96694e1b7864d280c3ec120be3521bf0ef818dd62cce631f4feaa3d6 |
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font_02_sfnt_off00011ece.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11ECE | 11084 bytes |
SHA-256: fc6e1321dbba73441910d24e19a1570fd74d4a6058ca1cb38774ed8041e94c6a |
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