MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs pointing to disposable domains, suggesting a link farm designed to redirect users. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' confirms this, indicating a tactic to obscure the true destination and potentially host malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 5
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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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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://chcial.ru/uplcv?utm_term=technewztop+download+app PDF link annotation
- https://siriusdynamics.com/assets/uploads/files/konufelakilutoli.pdfIn PDF document text
- http://travelport.pl/userfiles/file/girupoputerilo.pdfIn PDF document text
- http://sevenseahotel.com/uploads/images/files/tikexiduzikijejufiseleri.pdfIn PDF document text
- http://hacsbathtarntaran.org/~/userfiles/file/61067663689.pdfIn PDF document text
- http://interface-referencement.com/userfiles/file/xadumazota.pdfIn PDF document text
- https://nergizleryapi.com/image/files/25105171551.pdfIn PDF document text
- http://incomsistema.ru/ckfinder/userfiles/files/rewikaxuxod.pdfIn PDF document text
- https://digireg.es/upload/781433761.pdfIn PDF document text
- http://movietek.vn/hinh-anh/files/26804575154.pdfIn PDF document text
- http://www.jamesbgriffinlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133984b883bd---nunuroban.pdfIn PDF document text
- http://harckocsik.hu/userfiles/file/vefinavowivixatekimasa.pdfIn PDF document text
- http://ctyrkolky-gamax.cz/data/dokumenty/kawetazun.pdfIn PDF document text
- http://dedanskecasinoer.dk/userfiles/file/39690116491.pdfIn PDF document text
- https://sklep-pinokio.pl/web/uploads/files/fisegozorivarudikorojad.pdfIn PDF document text
- http://tion.hu/upload/file/lopogomulaw.pdfIn PDF document text
- https://catequesisnavarra.org/guiarte_userfiles/files/10046858258.pdfIn PDF document text
- https://kiaavcilar.com/upload/ckfinder/files/rosimomigowezovef.pdfIn PDF document text
- https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613947c6560b8---gatixevenajarunupepiwi.pdfIn PDF document text
- https://vico-real-estate.com/ckfinder/userfiles/files/64666375786.pdfIn PDF document text
- https://madeinstlucia.com/userfiles/files/18054181256.pdfIn PDF document text
- https://ratosatu.com/contents/files/87390689879.pdfIn PDF document text
- http://savytrading.com/userfiles/file/93147427186.pdfIn PDF document text
- http://odpadykj.cz/UserFiles/File/segezapebulel.pdfIn PDF document text
- http://gma.ge/admin/ckeditor/ckfinder/userfiles/files/63503377255.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_off0000dfc5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFC5 | 22588 bytes |
SHA-256: 5756b17f2b5966136b58dda8746c5a5b7df09d8654edcb2fa6881dd62022eea5 |
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font_01_sfnt_off00011bc4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BC4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000133db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x133DB | 10360 bytes |
SHA-256: 6930f8c517d16a1c4154ba93f4bad5a117bae290c27583ad80b3b99c430df495 |
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