MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs that point to various domains, many of which appear to be compromised or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly suggest the document's purpose is to act as a link farm, directing users to potentially malicious sites. The ML classifier and ClamAV detection further confirm its malicious nature, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://queure.ru/uplcv?utm_term=123movies+la+site PDF link annotation
- http://studiogalata.it/userfiles/files/12646051568.pdfIn PDF document text
- https://illinoisfiscalpolicycouncil.org/app/webroot/userfiles/file/neluzex.pdfIn PDF document text
- http://planet-for-events.de/userfiles/file/83285755845.pdfIn PDF document text
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b7141cbc28---56791584783.pdfIn PDF document text
- http://coachhouse.info/assets/file/bodasiti.pdfIn PDF document text
- https://kungfuclasshongkong.com/louis/taichi/ckfinder/userfiles/files/95212880640.pdfIn PDF document text
- https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133bca2b9b04---lapip.pdfIn PDF document text
- https://igescanada.com/ckfinder/userfiles/files/77648313634.pdfIn PDF document text
- http://hoteldanang.vn/uploads/images/files/82075073096.pdfIn PDF document text
- https://anandamsanyal.com/userfiles/file/56821307764.pdfIn PDF document text
- http://hzxgdz.com/images/upload/File/retena.pdfIn PDF document text
- http://kondicionery-lobnya.ru/upload_picture/file/27554918139.pdfIn PDF document text
- http://abwcolley.com/uploads/files/10711143094.pdfIn PDF document text
- https://cristalparkhotel.com.ve/ckfinder/userfiles/files/xawite.pdfIn PDF document text
- http://fujiya-burbank.com/uploads/files/nuwukevorusi.pdfIn PDF document text
- https://namkhoasaigon.vn/web/images/files/girenodisumenez.pdfIn PDF document text
- http://expertcomptablecourreges.fr/michel_courreges/userfiles/file/38072968125.pdfIn PDF document text
- http://pokwuttibut.com/file_media/file_image/file/pivul.pdfIn PDF document text
- https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614455149476d---52261168583.pdfIn PDF document text
- https://study-abroad-travel.com/ckfinder/userfiles/file/53765580958.pdfIn PDF document text
- http://pantanalmsnews.com.br/ckfinder/userfiles/files/34415759374.pdfIn PDF document text
- https://martensmgt.com/business_school/uploads/file/22159820027.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_off0000f716.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF716 | 17468 bytes |
SHA-256: 616699d54d1eaef43598bfec45efa698630e8b14ccf7b51425a5b35e40a74f81 |
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font_01_sfnt_off00012486.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12486 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013c9d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13C9D | 10380 bytes |
SHA-256: 0d805002bc021f68df01835071a703204e2282dba59b87e258cc2d6d89507f2c |
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