MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for exploiting vulnerabilities or redirecting users. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and the numerous extracted URLs suggest an attempt to distribute malicious content or conduct phishing. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9885
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 http://everest-c.ru/ckfinder/userfiles/files/xarativigepapazojadaw.pdf In PDF document text
- http://22vek-omsk.ru/fck_editor_files/files/vetebopebamife.pdfIn PDF document text
- http://acm-medicali.it/userfiles/files/gefunuragulenepedobogud.pdfIn PDF document text
- https://ketex.com/trcgp/ckfinder/userfiles/files/raluvobiwetuz.pdfIn PDF document text
- http://hndgyl.com/v15/Upload/file/2021932055461003.pdfIn PDF document text
- https://fnb-concepts.com/images/uploads/files/52234865867.pdfIn PDF document text
- http://gamaxmotor.cz/data/dokumenty/pusugaderob.pdfIn PDF document text
- http://allefrgycg.news-read.com/upload/files/masisasirupefumumupo.pdfIn PDF document text
- http://artio.pl/files/files/bawipasimafubuna.pdfIn PDF document text
- https://feng-shuiworld.com/userfiles/file/94734861965.pdfIn PDF document text
- http://costruzionibulagna.it/userfiles/files/72712281244.pdfIn PDF document text
- http://ibrahimalsada.com/pics/file/11912560419.pdfIn PDF document text
- http://lustigersteirer.at/userfiles/file/21561749354.pdfIn PDF document text
- http://degrossier.nl/uploads/file/15449218213.pdfIn PDF document text
- http://demo755.webbazaar.com/uploads/zujisijizuzebirowitozirek.pdfIn PDF document text
- http://ssaisarang.com/ckfinder/userfiles/files/4556297380.pdfIn PDF document text
- https://everestart.com/images/stories/file/33112622121.pdfIn PDF document text
- http://watch62.ru/files/files/zezobixobunojakovejad.pdfIn PDF document text
- http://expertcomptablecourreges.fr/michel_courreges/userfiles/file/lomogaxuzelowebutonasido.pdfIn PDF document text
- https://basealimentare.it/webroot/files/fck_uploads/File/17514351763.pdfIn PDF document text
- http://unsersohn.ch/images/file/sibezetevufejeso.pdfIn PDF document text
- http://sun-marche.com/app/webroot/js/ckfinder/userfiles/files/bapemipusutirofekarerules.pdfIn PDF document text
- http://indyskischool.com/ckfinder/userfiles/files/pesonefa.pdfIn PDF document text
- http://ppogrimall.com/upload/editor_image/file/36561936352.pdfIn PDF document text
- https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145a1da9a1f7---jawotaparogowarexedat.pdfIn PDF document text
- https://3drm.bg/uploads/pictures/files/nadaxopibamonuvesejed.pdfIn PDF document text
- http://villaroyalenews.com/userimages/dupixanobedijevasokofo.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=spartacus+1+castPDF 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_off0000b31d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB31D | 17136 bytes |
SHA-256: 377927a05878fed8a92dafcb5380af70ac64fbda090f1611b80edc246c6f28b6 |
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font_01_sfnt_off0000df2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF2B | 10100 bytes |
SHA-256: 5c67b68be512fbc6a77eba68e892d8bec27a1fc5f04c5ea752c19d159c252974 |
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font_02_sfnt_off0000f5df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5DF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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