MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a large number of external URIs, many of which are hosted on disposable domains and appear to be part of 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 initiating malicious actions within PDF documents.
Machine Learning
- Nyx PDF Classifier malicious score 0.9923
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://coretry.ru/uplcv?utm_term=when+is+season+5+of+my+hero+academia+dub+coming+out PDF link annotation
- https://coastalholidayproperty.com/ckfinder/userfiles/files/45697264742.pdfIn PDF document text
- http://evaemlak.com/userfiles/file///76242877089.pdfIn PDF document text
- http://stroisvias.ru/userfiles/file/tibatijitoruguwuzijoroz.pdfIn PDF document text
- http://msinziniering.com/userfiles/file/bumama.pdfIn PDF document text
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/161356c4e49cbe---71086566955.pdfIn PDF document text
- http://ifaistos.reality.gr/~triantaf/images/file/xixaxisalu.pdfIn PDF document text
- https://fong-cai.com/upload/files/pabawoxosifises.pdfIn PDF document text
- https://empezo.xyz/js/ckfinder/userfiles/files/52923913826.pdfIn PDF document text
- http://hyunsin.net/userfiles/file/sifodo.pdfIn PDF document text
- http://romento.com/uploaded_files/userfiles/files/15903832834.pdfIn PDF document text
- https://vinadesigndanang.vn/uploads/image/files/81017896543.pdfIn PDF document text
- http://schubert-hh.de/image/file/71409988597.pdfIn PDF document text
- http://worldofpacifiers.com/editor_uploads/system/files/sezata.pdfIn PDF document text
- http://cybernet-ap.com/UserFiles/File/junelusotinosurakad.pdfIn PDF document text
- http://falconfam.com/ckfinder/userfiles/files/fomav.pdfIn PDF document text
- http://efuegypt.org/userfiles/file/69862884368.pdfIn PDF document text
- https://sandp-engineering.com/ckfinder/userfiles/files/silezesefakowaniviwawoj.pdfIn PDF document text
- http://nyitotthetvege.kastelyszallodak.hu/userfiles/files/fikilag.pdfIn PDF document text
- http://jpind.pl/userfiles/file/74208455903.pdfIn PDF document text
- https://bdata.vn/upload/files/52676696881.pdfIn PDF document text
- http://gniortho.com/files/Upload/file/lidologexuwogof.pdfIn PDF document text
- http://didaconcept.com/admin/fckeditor/file/buxew.pdfIn PDF document text
- https://vandolderskb.com/images/usr/86511382836.pdfIn PDF document text
- https://spcinternational.in/ckfinder/userfiles/files/55909160216.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c56f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC56F | 17108 bytes |
SHA-256: 1e1876ab0f82f3eddee866b75cbdd4ce50a1c52c4ef2568f0ef601363b0d9779 |
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font_01_sfnt_off0000deaa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEAA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f6c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6C1 | 11356 bytes |
SHA-256: 80b8a17180372060c5ed6248167d4f82559ec438bdfd5f1d958f205a8a08433f |
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font_03_sfnt_off00011133.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11133 | 17828 bytes |
SHA-256: 00ac65e80159e753c61c03fc7ceeef0eafc0a0eba52a6bab6f63fc39c568c3af |
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