MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to disposable domains and form a link farm, a common tactic for phishing or distributing further malware. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan. The PDF's structure and the presence of many links suggest it's designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
Heuristics 5
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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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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://cauthinh.com/luutru/files/24672262120.pdf In PDF document text
- http://bluebirdcanada.com/FileData/ckfinder/files/20210921_21A4A37969144422.pdfIn PDF document text
- https://sheenabusesandcoaches.com/userfiles/file/8083511499.pdfIn PDF document text
- https://goodline.by/userfiles/file/32003245984.pdfIn PDF document text
- http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142b6b2817a7---lanobare.pdfIn PDF document text
- https://thaiahpa.com/flash/files/winubokonawobanofedovu.pdfIn PDF document text
- http://ultrabeauty-ff.ru/userfiles/file/35138652501.pdfIn PDF document text
- http://ozdesignhouse.com/app/webroot/uploads/files/5453057490.pdfIn PDF document text
- http://verkaufs-akademie.com/userfiles/file/46972984931.pdfIn PDF document text
- http://zzfcw.com/file/fkimg/file/relibatebisimakukovijap.pdfIn PDF document text
- https://beldapromosyon.com/calisma2/files/uploads/10613697381.pdfIn PDF document text
- https://beamstraffic.com/amb/userfiles/file/lijox.pdfIn PDF document text
- https://altstudio.be/app/webroot/uploads/file/bigobudez.pdfIn PDF document text
- http://vecsecity.info/editor_up/50372493896.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/148a48aa95b8f5ca73d94f691b25a96e/bubunejetukaju.pdfIn PDF document text
- http://balone.net/_upload/file///18990175818.pdfIn PDF document text
- https://lajovisena.com/gallery/file/gexasenofefazenub.pdfIn PDF document text
- https://www.moxiclear.com.au/application/third_party/ckfinder/userfiles/files/25222400008.pdfIn PDF document text
- http://www.anieliasfx.com/uploads/textareas/file/dutumenuzaziju.pdfIn PDF document text
- http://capableapp.com/uploads/files/pirexigo.pdfIn PDF document text
- https://florerialafloresta.com/ckfinder/userfiles/files/zekibamewibufutegiri.pdfIn PDF document text
- http://whatcanidoforyou.eu/publish/file/kudedajig.pdfIn PDF document text
- http://lesen-und-schenken.de/userfiles/files/futuzafarusa.pdfIn PDF document text
- http://xinyuemu.net/assets/202109/files/20210918071743237323.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=how+to+get+on+blocked+websites+on+chromebookPDF 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_off0000d89b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD89B | 10964 bytes |
SHA-256: a44a5613b6f92e069b60859b128d642b083531c85f708b185520939870996379 |
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font_01_sfnt_off0000f19f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF19F | 17596 bytes |
SHA-256: 14023aa1f5a453be132fd07f73cedd2ab112bf6b8a48f3e046a8d5919bb1fd54 |
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font_02_sfnt_off00011f03.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F03 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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