MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which are hosted on disposable domains and appear to be part of a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. The presence of a visual download button further supports a deceptive user interaction.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=download+ben+10+power+trip+for+android PDF link annotation
- http://keystoparadise.com/userfiles/files/duvozaxapanasuju.pdfIn PDF document text
- https://hv2barrier.com/application/third_party/ckfinder/userfiles/files/boxaxok.pdfIn PDF document text
- http://xn--80aaeiengkwpz6p.xn--p1ai/pub/file/toxaze.pdfIn PDF document text
- http://nessium.fr/userfiles/file/kuzizujakox.pdfIn PDF document text
- http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d1d6703bb5---puzejaxefe.pdfIn PDF document text
- http://bestofbeer.ru/ckfinder/userfiles/files/goxalutez.pdfIn PDF document text
- http://ulv-fogger.es/d/files/wufofolegejoburasewiz.pdfIn PDF document text
- http://www.asap-recruitment.net/upload/file/44142999885.pdfIn PDF document text
- http://tentimesneedlehill.com/UPFILE/userfiles/files/92719883687.pdfIn PDF document text
- https://konzolstudio.ro/uploaded_files/file/wurufamevetuwobes.pdfIn PDF document text
- https://hotnewsmd.deca.md/upload/userfiles/files/99925371183.pdfIn PDF document text
- http://huspanda.com/data/ckfinder/files/75193874215.pdfIn PDF document text
- http://siciny.pl/userfiles/file/47607595616.pdfIn PDF document text
- https://www.funes.gob.ar/ckfinder/userfiles/files/63405483267.pdfIn PDF document text
- http://tufaghanafc.com/js/ckfinder/userfiles/files/xetimopivewixezaju.pdfIn PDF document text
- https://ahl2005.com/ckfinder/userfiles/files/2864612399.pdfIn PDF document text
- http://sooam.com/files/fckeditor/file/500268164613ff8ce75038.pdfIn PDF document text
- https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/161350e27a154e---visabilojekeselo.pdfIn PDF document text
- http://eot.mn/uploads/userfiles/files/gatejurifadopefupenaposow.pdfIn PDF document text
- https://artofsurfing.com/preview/ckfinder/userfiles/files/7711871241.pdfIn PDF document text
- https://textosl.com/upload/editor/file/foxadutaxugor.pdfIn PDF document text
- http://nensi.si/upload/file/rilefe.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_off0000d9b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9B3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f1ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1CA | 10724 bytes |
SHA-256: f2d315d71675c48c65079ed77a5c1bf3240d091ef1c97736b85fdf014c699245 |
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font_02_sfnt_off00010a52.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A52 | 16872 bytes |
SHA-256: 13e7e39685549e6b69532ed1bd500f507db56b7ae0c5d2412faa6c78ea3ddbef |
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