MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and numerous external URIs, many of which are hosted on disposable domains and appear to form 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 exploiting PDF vulnerabilities or redirecting users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://queure.ru/uplcv?utm_term=sudoku+ad+free+apk PDF link annotation
- http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/16148f98b6b071---rogapetanal.pdfIn PDF document text
- http://d2dgroup.net/upload/files/xeturezuzajivepuralevin.pdfIn PDF document text
- http://krallarintavugu.com/upload/file/patewaki.pdfIn PDF document text
- https://ural-aiti.ru/admin/ckfinder/userfiles/files/kowedopupefuzefefekat.pdfIn PDF document text
- http://grafosaleservice.cz/images/fck_editor/file/widapojigoteg.pdfIn PDF document text
- http://denda.co.kr/ckfinder/userfiles/files/mitez.pdfIn PDF document text
- http://runhouchem.com/upload/files/84801115126.pdfIn PDF document text
- http://ghettaetamionarchitetti.it/userfiles/files/bobetupidabe.pdfIn PDF document text
- http://mediasingrid.com/js/new/fckeditor/userfiles/file/zububezatofudigewa.pdfIn PDF document text
- https://automatisme-portail-bordazzi.fr/userfiles/fichiers/77001220452.pdfIn PDF document text
- http://manegedebuitenwijck.nl/uploads/file/siwavitulomijotap.pdfIn PDF document text
- http://ymmicro.com/files/files/19555610501.pdfIn PDF document text
- http://cgpharma.in/cote_dor_import/admin/ckfinder/userfiles/files/89362190913.pdfIn PDF document text
- http://fluitec.fr/ressource/site-image/files/15902302232.pdfIn PDF document text
- http://xn--4k0b43gkwo4gn.com/upload/editor/file/93463753946.pdfIn PDF document text
- https://tranthachcaodanang.com/uploads/image/files/4543334229.pdfIn PDF document text
- http://pengyou-english.com/FileData/ckfinder/files/20210918_5F48B046CE841406.pdfIn PDF document text
- https://intervalhousehamilton.org/ckfinder/userfiles/files/fegipabol.pdfIn PDF document text
- https://terminarz.online/kosmetyczka/krakow/files/remofijukikuzinizupav.pdfIn PDF document text
- http://duepassidalcentro.it/userfiles/files/59954411656.pdfIn PDF document text
- http://puginternational.com/ckfinder/userfiles/files/wusub.pdfIn PDF document text
- https://omnistopbollards.com/application/third_party/ckfinder/userfiles/files/xabovezugogal.pdfIn PDF document text
- https://congtydaihai.com/upload/files/dakaj.pdfIn PDF document text
- http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/161404922857b8---movujogikujajerupib.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_off0000d952.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD952 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f169.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF169 | 10252 bytes |
SHA-256: 667830b47d36fe959306bfd7e9a3456952c2ca39e5e55e6b3e9a3cd75c75bb72 |
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font_02_sfnt_off0001089d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1089D | 19372 bytes |
SHA-256: 1155f6072f127644b225d7fbc82d057a85d5e71220413b4f2c878843d7b60905 |
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