MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to potentially malicious domains. The heuristic PDF_SEO_DISPOSABLE_LINK_FARM indicates a link farm strategy, and ClamAV detection confirms malicious intent. The embedded JavaScript likely facilitates the redirection to these external sites, potentially for phishing or malware delivery.
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 http://world-housing.jp/ckfinder/userfiles/files/73360663880.pdf In PDF document text
- https://ags-car.com/upload/files/93026715220.pdfIn PDF document text
- https://birgatour.mn/js/ckfinder/userfiles/files/70376296534.pdfIn PDF document text
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1614c3ee7ccff6---81028080929.pdfIn PDF document text
- http://rund.cz/UserFiles/File/gakisupozo.pdfIn PDF document text
- http://chekeeh.ir/basefile/chekeehir/files/vufugeki.pdfIn PDF document text
- http://syuncyoku.jp/upload/file/24175676845.pdfIn PDF document text
- http://sobinco.cz/ckfinder/userfiles/files/tewodi.pdfIn PDF document text
- http://wonsakai.com/uploads/files/92195822937.pdfIn PDF document text
- http://hankyunget.net/userData/board/file/76443166359.pdfIn PDF document text
- http://summitremodelinginc.com/userfiles/files/sudimipolib.pdfIn PDF document text
- http://metisentry.net/ckfinder/userfiles/files/48588224002.pdfIn PDF document text
- http://biswasi.com/userfiles/files/kukipu.pdfIn PDF document text
- http://xszhuhai.com/uploadfiles/files/47311532540.pdfIn PDF document text
- http://www.jobsincrete.gr/images/_user_na/file/dikilupovenosuvu.pdfIn PDF document text
- http://szzxwx.com/Upload/Upload/file/20219101047491185.pdfIn PDF document text
- http://www.anglometais.com.br/adm/Editor/ckfinder/userfiles/files/57161458513.pdfIn PDF document text
- https://franchisefarm.franchiseharbor.com/files/files/70463372963.pdfIn PDF document text
- http://samtle.net/ckupload/files/tufur.pdfIn PDF document text
- http://tt-ural.su/admin/ckfinder/userfiles/files/1212172963.pdfIn PDF document text
- https://www.fishhabitatnetwork.com.au/application/third_party/ckfinder/userfiles/files/wumagujo.pdfIn PDF document text
- http://appextskihjthj.handysociality.com/upload/files/debovapejas.pdfIn PDF document text
- http://393citizen.com/upload/files/1788141140.pdfIn PDF document text
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/r97r4i7nlnu4vr4bl3l5sketh1/rawirimapokopis.pdfIn PDF document text
- http://uptownfallschurch.com/uploads/files/gutor.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=best+video+shoot+app+for+androidPDF 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_off0000e50d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE50D | 16732 bytes |
SHA-256: f52fdf8192f0cd44d282875accbdbb828e6e452bd2658c35f70f1e64c96ca6b6 |
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font_01_sfnt_off00011071.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11071 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012888.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12888 | 10668 bytes |
SHA-256: 7a7be96369f63b1c3bf5b68715111137128f41b6d0a217780dfac30572b79dba |
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