MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by ClamAV as Pdf.Phishing.Trojan and by an ML classifier, indicating malicious intent. It contains numerous embedded URLs that form a link farm, many pointing to compromised WordPress sites, suggesting a phishing or malware distribution scheme. The presence of external URI heuristics and link farm indicators strongly supports a malicious redirection attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9979
Heuristics 6
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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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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://inwebjor.ru/uplcv?utm_term=best+driving+games+for+android+2020 PDF link annotation
- https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/16139cb6c9ac1a---55670069694.pdfIn PDF document text
- https://duext.com/wp-content/plugins/super-forms/uploads/php/files/ca2117afb07a28fbd71b2828f58651cb/zitiwurubife.pdfIn PDF document text
- https://0800-707-808.com/upload/ckfinder_temp/files/20210910230039.pdfIn PDF document text
- http://imi.vc/upload/files/92931801423.pdfIn PDF document text
- http://aeon-dev.com/uploads/files/202109121056085096.pdfIn PDF document text
- http://tangiahoang.vn/Images_upload/files/87851790921.pdfIn PDF document text
- https://tonerihned.cz/userfiles/file/50865849355.pdfIn PDF document text
- http://artecgroupservices.com/imagenes/file/demebovujenosarebabifa.pdfIn PDF document text
- http://mansiya.com/uploadfile/files/tomugulerok.pdfIn PDF document text
- http://juentai.com/userfiles/files/sipajevebuduruzugozepimo.pdfIn PDF document text
- https://thehideawayresortpattaya.com/userfiles/files/rarifepotaxas.pdfIn PDF document text
- https://dennismaloney.ca/upload/editor/file/mifalusut.pdfIn PDF document text
- http://rent2day.ca/ci2/userfiles/files/peluvadi.pdfIn PDF document text
- https://landtop.com/filespath/files/20210911165229.pdfIn PDF document text
- https://alkathirilaw.com/userfiles/files/22340972138.pdfIn PDF document text
- https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/bd42bed4a470dd3fe6af4512d148e222/soref.pdfIn PDF document text
- https://rhuyscampingcar.fr/images/files/34454618980.pdfIn PDF document text
- https://www.moxiclear.com.au/application/third_party/ckfinder/userfiles/files/reparukuvulinegopaje.pdfIn PDF document text
- http://ttworld.hu/uploads/content_files/files/regiw.pdfIn PDF document text
- https://larioenergy.net/uploads/file/24069066107.pdfIn PDF document text
- http://cnmrobotics.com/files/files/81168989727.pdfIn PDF document text
- https://leise.ru/admin/ckfinder/userfiles/files/kunuluwi.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_off0000f45b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF45B | 11012 bytes |
SHA-256: 0ec1fa89cc379d8be053fe3593ddf0e9efa9b1bcdee845552900499ab090624e |
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font_01_sfnt_off00010ddc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DDC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000125ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125EE | 17296 bytes |
SHA-256: 3c76788959438bd7bfec948323eb653b706fa24327f5c979fe6f1761845fa162 |
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