MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. It contains an embedded JavaScript stream and a large number of external URIs, many of which point to disposable domains, suggesting a phishing or malware distribution campaign. The primary function appears to be directing users to a link farm, likely to host malicious content or facilitate further compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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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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://cructi.ru/uplcv?utm_term=keeper+of+the+lost+cities+book+3+read+online+free PDF link annotation
- http://www.celso.org/download/89766365162.pdfIn PDF document text
- http://aokunoil.com/ckfinder/userfiles/files/69438961266.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fe4e445078---zuziwisalago.pdfIn PDF document text
- http://atletika-pardubice.cz/files/file/talegijenalobamejotabuso.pdfIn PDF document text
- http://battlegrouponline.com/app/webroot/js/ckfinder/userfiles/files/juzuvijunidebogenosi.pdfIn PDF document text
- http://retrievers.su/ckfinder/userfiles/files/25678904725.pdfIn PDF document text
- http://classicalgardenfountains.com/uplds/file/tetoveruxajonilolalavi.pdfIn PDF document text
- https://bompentax.com/quangbasanpham/app/webroot/upload/image/files/74557147837.pdfIn PDF document text
- http://straps.by/ckfinder/userfiles/files/rowanotasisisov.pdfIn PDF document text
- http://roosprommenschenckelfoundation.nl/userfiles/file/vevin.pdfIn PDF document text
- http://expertcomptablecourreges.fr/michel_courreges/userfiles/file/98408369682.pdfIn PDF document text
- http://sushiloverca.com/uploads/files/18494760071.pdfIn PDF document text
- http://metrocars.london/survey/userfiles/files/mimazobatazijolusodid.pdfIn PDF document text
- http://xn--80aamwn.xn--p1ai/userfiles/file/sofagajafuwuzipipiko.pdfIn PDF document text
- http://itps-group.com/uploadfiles/file/27547157823.pdfIn PDF document text
- http://due.pt/js/ckfinder/userfiles/files/57137382032.pdfIn PDF document text
- http://4rrecycle.com/files/file/59077055730.pdfIn PDF document text
- http://aromamahabaleshwar.com/ckfinder/userfiles/files/85652292016.pdfIn PDF document text
- http://baschin-heizung.com/meineBilderAlbertGrundschule/file/42884399111.pdfIn PDF document text
- https://medgal.pl/admin/ckfinder/userfiles/files/nejofozu.pdfIn PDF document text
- https://amadesafar.ir/basefile/amadesafarir/files/gexigotekejamosu.pdfIn PDF document text
- https://yellowstonewildlife.com/51682166262.pdfIn PDF document text
- http://zhuoer.ltd/userfiles/file/53031969304.pdfIn PDF document text
- http://futsalcb.cz/picture/vtextu/file/36693059391.pdfIn PDF document text
- https://vcvscr.cz/www/www/fckphotos/file/bonepimata.pdfIn PDF document text
- http://cpbnatation.fr/fckeditor/userfiles/file/29243903019.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_off0000d331.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD331 | 11112 bytes |
SHA-256: 32ed25ada0388f38c65c10c74060955afcd6435f8e13d5aa9d7e62615d0772a5 |
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font_01_sfnt_off0000ece4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECE4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000104f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104F6 | 18596 bytes |
SHA-256: f8d91c129959d99aff3fd9a18e5dc5d73eb5c51e0574936e7dabf05150438952 |
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