MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which are part of a link farm on disposable hosting. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. The embedded JavaScript is a common technique for initiating malicious actions within PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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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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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://oniceh.ru/uplcv?utm_term=wifi+qr+code+generator PDF link annotation
- https://ekinyalitim.com/depo/sayfaresim/file/86050069230.pdfIn PDF document text
- https://usssecuritate.ro/userfiles/file/baralazasegidipivu.pdfIn PDF document text
- http://dedanskecasinoer.dk/userfiles/file/jarulef.pdfIn PDF document text
- http://ytlcases.com/userfiles/file/zavesigedowazuzaxunuv.pdfIn PDF document text
- https://lucky-erotic-massage-bucharest.ro/ckfinder/userfiles/files/8540958204.pdfIn PDF document text
- https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/bcc9e53fe7f5d7719f30137236e466be/89729339121.pdfIn PDF document text
- https://webornate.com/viking1/uploads/files/lovob.pdfIn PDF document text
- http://studio-rivetti.it/userfiles/files/97875961023.pdfIn PDF document text
- http://www.adarshvidhyasankul.org/userfilesfile/87276687435.pdfIn PDF document text
- https://universitecentrale.net/uploads/FCK_files/file/39899775543.pdfIn PDF document text
- https://discovercefalu.it/_data/images/file/52195268227.pdfIn PDF document text
- https://tyeetomsfishing.com/userfiles/file/botolugobivima.pdfIn PDF document text
- https://www.pirkitpadangas.lt/ckfinder/userfiles/files/lilulegovuweme.pdfIn PDF document text
- http://www.facyt.com.ar/ckfinder/userfiles/files/54944855440.pdfIn PDF document text
- http://retailcop.ca/files/mobiwo.pdfIn PDF document text
- http://santabruna.cl/upload/file/53253126374.pdfIn PDF document text
- http://geasit.it/userfiles/files/divinadisotasevo.pdfIn PDF document text
- http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613ba9899c524---92712067031.pdfIn PDF document text
- http://bike-aholic.com/UserFiles/file/vabumodugizexi.pdfIn PDF document text
- http://recrute.fr/files/files/bemeniguruzuvadipaveso.pdfIn PDF document text
- http://odontoflash.eu/userfiles/files/36675659286.pdfIn PDF document text
- http://adimhukuk.com/resimler/files/seriwojudojugef.pdfIn PDF document text
- https://makanbanyak.net/contents/files/97702320461.pdfIn PDF document text
- https://trungtamgiasuhcmmq.com/uplaod/quangtri/files/winovogoxogedi.pdfIn PDF document text
- http://eschool365.in/js/admin/uploadfiles/file/xomatanazamidurupulonigok.pdfIn PDF document text
- http://mispuntossaga.com/campannas/file/53378089236.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_off0000d992.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD992 | 10576 bytes |
SHA-256: 8b8e2bd727f43c60be33562a1bd407de131e62601c6eca20563ba7bbaeb70a85 |
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font_01_sfnt_off0000f152.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF152 | 17372 bytes |
SHA-256: be2bc3d42f303b5860a0e01d6fa6975f4f60331c1f3ebf37eb6e1191bffc89b2 |
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font_02_sfnt_off00011e87.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E87 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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