MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a large number of 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 embedded JavaScript is a common technique for initiating malicious actions within PDF documents.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 6
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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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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://queure.ru/uplcv?utm_term=streaming+no+country+for+old+man PDF link annotation
- https://www.colegiodomus.com.br/js/ckfinder/userfiles/files/xakovasowadetamem.pdfIn PDF document text
- https://hagabb.ro/ckfinder/userfiles/files/16685831993.pdfIn PDF document text
- http://china-engine.net/ckfinder/userfiles/files/5863380651.pdfIn PDF document text
- http://esrafisek.com/images_upload/files/fezubanosademojarogawesu.pdfIn PDF document text
- http://madonnina.info/userfiles/files/26042621789.pdfIn PDF document text
- http://kreativitaet-stadlhofer.at/global/images/userfiles/file/tomedizineb.pdfIn PDF document text
- http://baigeleather.com/userfiles/file/28699031253.pdfIn PDF document text
- http://hyundai-baoloc.com/luutru/files/83657283520.pdfIn PDF document text
- http://www.plan.msu.ac.th/ckfinder/userfiles/files/vojujifumiwupabesikubex.pdfIn PDF document text
- http://nissanotogovap.com/uploads/images/files/powiwaliledasadireziwiku.pdfIn PDF document text
- http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613260fe8a65c---84748669447.pdfIn PDF document text
- http://playbabydoll.com/userfiles/file/diwavim.pdfIn PDF document text
- https://adikkeempat.com/contents/files/39450778658.pdfIn PDF document text
- http://changwontour.kr/FileData/ckfinder/files/20210909_A2ECE666DB746397.pdfIn PDF document text
- https://masterjobintl.com/ckfinder/userfiles/files/wotovulujefefomuxaxekozo.pdfIn PDF document text
- http://thailaundry.com/imgUpload/files/54168678753.pdfIn PDF document text
- http://titadoorbinhduong.com/upload/files/nukunobitebeluzasamaworub.pdfIn PDF document text
- https://coastalholidayproperty.com/ckfinder/userfiles/files/jefegajozugela.pdfIn PDF document text
- http://juentai.com/userfiles/files/78518730958.pdfIn PDF document text
- http://htwy.com/upload/file/ginojetezozatewolexed.pdfIn PDF document text
- http://www.iece.in/userfiles/file/gafuxesedon.pdfIn PDF document text
- http://myshiou.com/uploads/files/202109022303233591.pdfIn PDF document text
- http://cocoal.com/uploads/file/66714813492.pdfIn PDF document text
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/t9ujcus8kifmgmrqa7dbfp60v2/62439195018.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_off0000c970.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC970 | 10940 bytes |
SHA-256: 945854783a0165fab68ea0cb572ff3198221a043b8534e1a25eb9139c1d06d20 |
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font_01_sfnt_off0000e29b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE29B | 17164 bytes |
SHA-256: 45fd4b083416e9d7fab18716ff2c68d53107935b105c53f886c6a93d0813a9dd |
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font_02_sfnt_off00010f44.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F44 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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