MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It functions as a link farm, containing numerous external URLs that lead to other PDF files hosted on various domains, suggesting a multi-stage distribution or phishing campaign. The presence of external URIs and the ML classification strongly support a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://ketchas.ru/uplcv?utm_term=apache+cordova+example+apps PDF link annotation
- http://madiran-cruduparadis.fr/ckfinder/userfiles/files/22286678681.pdfIn PDF document text
- http://satisfytech.com/ck/upload/files/bisebugujefinuretu.pdfIn PDF document text
- https://cornerstonelaw.eu/userfiles/file/zukebajobilexubabafogikip.pdfIn PDF document text
- http://grossbuch.com/upload/file/19500356866.pdfIn PDF document text
- http://hotelgiottotorino.com/userfiles/files/toxulilufosakakopokuf.pdfIn PDF document text
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/th0d9qrns4d7630fq5ad5nu2t6/xovezi.pdfIn PDF document text
- http://vector-mebel.ru/uploads/files/89464076131.pdfIn PDF document text
- https://gaadalagi.com/contents/files/24069107643.pdfIn PDF document text
- http://185.33.116.142/~bbyacht01/upload/files/91330812222.pdfPDF link annotation
- http://laboratoriodiprogettazione-ve.it/userfiles/files/sukubarixuminatelowaxi.pdfIn PDF document text
- http://hotelamadeustorino.com/userfiles/files/kiwelopu.pdfIn PDF document text
- https://sindicav.com.br/ckeditor/ckfinder/userfiles/files/tawaxame.pdfIn PDF document text
- https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145ee88e8705---jelulo.pdfIn PDF document text
- http://swaving-stalinrichting.nl/ckfinder/userfiles/files/gefenunosezeremakaf.pdfIn PDF document text
- https://semut73.com/contents/files/poreninoxumebaraxap.pdfIn PDF document text
- http://wonsakai.com/uploads/files/sowomirajasowoduwukofe.pdfIn PDF document text
- https://www.soroptimist.be/oldsite/intranet/ckeditor/ckfinder/userfiles/images/files/mamuwolegaxizujaradogox.pdfIn PDF document text
- http://italianopizzeria-pg.com/uploads/files/30350151859.pdfIn PDF document text
- https://gym-rectif.fr/ckfinder/userfiles/files/52620833458.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_off0000ab48.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAB48 | 16264 bytes |
SHA-256: 60d141a8805488a9c8ce9ace20d6a9062b131cb198a43d76293f8241f6ddc9ce |
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font_01_sfnt_off0000d52d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD52D | 10636 bytes |
SHA-256: 4169c83d8f5a09182677227c964495190c967dfe9a6332825ffb66792c61ad09 |
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font_02_sfnt_off0000ed98.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED98 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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