MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for executing malicious code within documents. The heuristic PDF_SEO_DISPOSABLE_LINK_FARM and the numerous unknown URLs suggest a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to lure users to external sites for further compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://cafesca.mx/ckfinder/userfiles/files/95819283148.pdf In PDF document text
- http://sspvjd.com/FileData/ckfinder/files/20210911_553FBF96432117F5.pdfIn PDF document text
- https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613f6b9ee204e---nisidozapenas.pdfIn PDF document text
- https://www.liftechforklifts.com.au/application/third_party/ckfinder/userfiles/files/30350279269.pdfIn PDF document text
- http://tylincms.com/userfiles/files/fovopakirutibugov.pdfIn PDF document text
- https://airshow-bg.com/file/lipadikobarulilejujimuj.pdfIn PDF document text
- https://napraforgohotel.hu/upload/file/45118658001.pdfIn PDF document text
- http://website-design-company.in/dev3/damodar/ckfinder/core/connector/php/userfiles/files/78287538523.pdfIn PDF document text
- http://dharmapuridiocese.com/svnprojects/DHD/Source/images/files/nazodalebax.pdfIn PDF document text
- http://queensparkview.com/image/upload/File/nuloxolivad.pdfIn PDF document text
- https://doanhnghiepvietnam.org/img_duhoc/files/megizunegefovojobisuteke.pdfIn PDF document text
- https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/2f58edbaf55e8bb9f9dfa2934cd0ec07/91309518757.pdfIn PDF document text
- http://tcyy88.com/userfiles/file/2021092005532873499.pdfIn PDF document text
- https://myagenda.myagenda.cz/pictures/editor/files/48746453077.pdfIn PDF document text
- https://ita.kru.ac.th/ckfinder/userfiles/files/56293215514.pdfIn PDF document text
- http://gwtcs.org/Content/uploads/files/18915180969.pdfIn PDF document text
- https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16136bb0859689---mufobiwobe.pdfIn PDF document text
- http://kechengchem.com/upload/files/65588124073.pdfIn PDF document text
- http://hcvitamin.com/webroot/img/files/80918057496.pdfIn PDF document text
- http://yameitecl.com/ckfinder/userfiles/files/20210904_213650.pdfIn PDF document text
- https://reaga.net/js/ckfinder/userfiles/files/64486735851.pdfIn PDF document text
- http://xn--80akazwaeiw.xn--p1ai/editorfiles/file/nibiberigegelakitajujidal.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=shadow+the+hedgehog+with+a+gunPDF link annotation
- 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_off0000b630.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB630 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ce47.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE47 | 10476 bytes |
SHA-256: b2e0d944310295622250eec3afe6f5fefaf21ca884f17b4a6e04db25f491d6f5 |
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font_02_sfnt_off0000e5e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5E3 | 17080 bytes |
SHA-256: 8f3c16f13381261061e61c6e20fa53e9433471ef69b091e1127f824d3569e91a |
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