MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document contains numerous external links, many hosted on disposable domains or compromised CMS uploads, suggesting a link farm designed to redirect users to malicious content. The presence of a 'download button' heuristic further supports the intent to trick users into downloading a payload. ClamAV detection and ML classification confirm the malicious nature of the file, likely a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 7
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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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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://chcial.ru/uplcv?utm_term=how+to+download+gta+5+on+a+tablet PDF link annotation
- http://cjcounsel.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/bitibezu.pdfIn PDF document text
- https://fenicia.uy/fenicia.com.uy/uploads/files/5008038838.pdfIn PDF document text
- http://bitite.lv/media/txt/122/file/15324549778.pdfIn PDF document text
- http://radtel-sport.pl/userfiles/file/48734241625.pdfIn PDF document text
- http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612eef6b8613c---99992325664.pdfIn PDF document text
- https://kingdomofgodmn.org/userfiles/files/80645995446.pdfIn PDF document text
- https://korvioinfotech.com/ckfinder/userfiles/files/livepa.pdfIn PDF document text
- http://acm-medicali.it/userfiles/files/96936230512.pdfIn PDF document text
- http://demo755.webbazaar.com/uploads/15050276044.pdfIn PDF document text
- http://mskgroup-spb.ru/upload/file/lukolojalesuli.pdfIn PDF document text
- https://dananeye.com/uploads/files/202109082048389946.pdfIn PDF document text
- http://aias.pnu.ac.th/ckfinder/userfiles/files/4401674189.pdfIn PDF document text
- http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/161417cb650f95---putega.pdfIn PDF document text
- https://www.azulejositurry.com/wp-content/plugins/super-forms/uploads/php/files/4tvpnf3n64213su5oh84o4ri82/ranelubasaforedogeri.pdfIn PDF document text
- http://hagelkonzept.de/userfiles/file/25081583912.pdfIn PDF document text
- http://degrossier.nl/uploads/file/18418811772.pdfIn PDF document text
- http://wonsakai.com/uploads/files/49173813003.pdfIn PDF document text
- http://bighost.vn/uploads/userfiles/file/82044560868.pdfIn PDF document text
- https://www.marjojaspers.nl/ckfinder/userfiles/files/84613172222.pdfIn PDF document text
- http://ndt-tl.ru/upload/file/davewokivilixim.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_off0000cb8a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB8A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e39c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE39C | 17836 bytes |
SHA-256: 1bbb3d96062b6228ba67b924886b80e7c2ae18bd2484b4c7918f2ebe2974a86a |
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font_02_sfnt_off000111e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111E8 | 10416 bytes |
SHA-256: 34c42faedbe9df9bf42218e46883ae784e2df13cd5310335a6f449153fd749c4 |
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