MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous links, many of which are to disposable domains and appear to be part of a link farm designed to obscure the ultimate destination. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to trick the user into downloading a secondary payload. The presence of embedded JavaScript suggests an attempt to execute malicious code upon opening or interaction.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://essuances.com/ckfinder/userfiles/files/bagoj.pdf In PDF document text
- http://investgeorgia.ge/userfiles/file/6153068558.pdfIn PDF document text
- http://santamariamikado.com/uploads/files/ropawiriseterakufukoxu.pdfIn PDF document text
- http://nessium.net/userfiles/file/lobatozisebaxi.pdfIn PDF document text
- http://alltimescare.com/attachment/files/repiwogibetotu.pdfIn PDF document text
- http://wxhsbl.com/ckfinder/userfiles/files/20210907_223837.pdfIn PDF document text
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138fb506d737---tapakajuwikifax.pdfIn PDF document text
- https://www.piramideidiomas.com/ckfinder/userfiles/files/jezotaziwalirebiwelese.pdfIn PDF document text
- http://cuatro-pr.org/sites/default/files/file/jikir.pdfIn PDF document text
- http://bdpq.hungminhits.com/files/uploaded/files/2245347078.pdfIn PDF document text
- http://pomodorolennep.de/gfx/userfiles/files/sutadadewujodofeso.pdfIn PDF document text
- http://paintmaster.hu/js/ckfinder/userfiles/files/46834456454.pdfIn PDF document text
- http://geombiagioschettino.eu/userfiles/files/95064056540.pdfIn PDF document text
- http://swancentive.com/cote_dor_import/admin/ckfinder/userfiles/files/veziworagekuborebek.pdfIn PDF document text
- http://mindentudor.hu/userfiles/file/zusatup.pdfIn PDF document text
- http://robertfeinberglaw.com/images/edit_images/file/68671186650.pdfIn PDF document text
- https://makenie.com/upload/files/19195980943.pdfIn PDF document text
- http://cuborh.com/natelinhanew/js/ckfinder/userfiles/files/4307591587.pdfIn PDF document text
- https://ags-car.60km.com/upload/files/31149333725.pdfIn PDF document text
- https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/78167de0214e9820c467f2b92b47b58a/31283197380.pdfIn PDF document text
- http://gldbirdgel.com/user_img/files/defodalamasusenuj.pdfIn PDF document text
- http://bibrka-school.org.ua/ckfinder/userfiles/files/rivetesodogu.pdfIn PDF document text
- https://fullgame.hu/uploads/files/fegazakijabobeb.pdfIn PDF document text
- https://tourgardan.com/basefile/tourgardancom/files/xojiwamilapawividota.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=dls+2018+apk+obb+downloadPDF 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_off0000d3bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3BB | 17600 bytes |
SHA-256: d492f3f26fa5437d5856068da783a54c565551762efdf73c60fdd113d0b27d97 |
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font_01_sfnt_off00010146.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10146 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001195d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1195D | 10784 bytes |
SHA-256: 5d287d6e22d916c350e26b957d4864a60d1491dceba0386ac55e7f363b5d35d8 |
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