MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous URLs pointing to potentially compromised websites or link farms, suggesting a phishing or malware distribution scheme. The presence of PDF-specific heuristics like 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports this, indicating the PDF is used to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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://catamma.ru/uplcv?utm_term=os+melhores+jogos+de+corrida+para+android PDF link annotation
- http://gtshotel.it/images/file/mimux.pdfIn PDF document text
- https://dom-titan.rs/files/taxibi.pdfIn PDF document text
- http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613fe7670ba22---71234228366.pdfIn PDF document text
- http://hansungid.com/userfiles/file/2094928369.pdfIn PDF document text
- http://the100voicesofgospel.de/fichiers/newsletter/file/33474400241.pdfIn PDF document text
- http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141a2b468eb0---43983393632.pdfIn PDF document text
- https://sbmhavacilik.com/userfiles/file/watanezivevewonoraramite.pdfIn PDF document text
- http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b116abaf15---xozekurodedokabusin.pdfIn PDF document text
- http://carzip.biz/files/uploads/files/88124237812.pdfIn PDF document text
- http://labonscafe.com/userfiles/46983294062.pdfIn PDF document text
- http://secondhandgraphics.com/usrfiles/file/30859883195.pdfIn PDF document text
- https://audit-advisers.com/userfiles/file/xadudufe.pdfIn PDF document text
- http://www.galiantsolutions.com/emailimages/file/76092790207.pdfIn PDF document text
- https://omnistopbollards.com/application/third_party/ckfinder/userfiles/files/59958111573.pdfIn PDF document text
- https://fasaac.org/temp/files/gawimimep.pdfIn PDF document text
- http://to-tuong.com/media/ckfinder/files/pomopixakewizapepepok.pdfIn PDF document text
- http://sanarina-coaching.de/ckfinder/userfiles/files/kibubudaxupagapixepujelod.pdfIn PDF document text
- https://cupanghitam.com/contents/files/sulubuwerigokasadasuze.pdfIn PDF document text
- http://zeguvietnam.com/uploads/ckfinder/files/41396616511.pdfIn PDF document text
- https://www.almuhja.com/ckfinder/userfiles/files/zuvebosogi.pdfIn PDF document text
- http://s-pack.kr/userfiles/file/20210911124657.pdfIn PDF document text
- http://iamsong.vn/uploads/files/zurokodugizowidamanifeko.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_off0000bd7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD7F | 18344 bytes |
SHA-256: 0164447ba36073b58f6ff2be7b9e6c8ef0b0acdcda81ce1a697ef64ee16e70e2 |
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font_01_sfnt_off0000eade.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEADE | 11020 bytes |
SHA-256: 53e51555e68c79c280abbc998a92eeab2b9ba71ca6cea4d43f2b8da504b39a9b |
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font_02_sfnt_off000103fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103FC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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