MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is a common technique for malicious PDFs. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates the document is part of a link farm, and multiple unknown URLs were extracted, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9849
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://stillincontact.com/images/mails/file/kefoturebugajilemukeg.pdf In PDF document text
- http://mashhadgardi724.ir/basefile/mashhadgardi724/files/kumolatovetox.pdfIn PDF document text
- https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/botsga7det5vb8m3uhu9ej5vd4/85449809176.pdfIn PDF document text
- http://myphammonly.com/luutru/files/pabetowimotuxaj.pdfIn PDF document text
- http://carnow.jp/js/upload/files/21966807702.pdfIn PDF document text
- http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16149f1279463d---mibuzukazagutubal.pdfIn PDF document text
- http://2478.ru/admin/ckfinder/userfiles/files/6052401784.pdfIn PDF document text
- http://www.dogwoodagility.nl/ckfinder/userfiles/files/62347572920.pdfIn PDF document text
- http://hanmih.com/userfiles/file/20210924164904.pdfIn PDF document text
- http://blfimmobiliare.com/userfiles/files/41059648924.pdfIn PDF document text
- http://abaj.cz/UserFiles/File/sobutuxobi.pdfIn PDF document text
- https://chowdhurytourism.com/ckfinder/userfiles/files/40645508528.pdfIn PDF document text
- http://immobilieninvestors.org/userfiles/file/41414837205.pdfIn PDF document text
- https://mami-m.com/Uploads/userfiles/files/81233200236.pdfIn PDF document text
- https://mmszke.hu/files/file/83111865869.pdfIn PDF document text
- http://ippinnudon.com/uploads/files/zebinelodufipafiporu.pdfIn PDF document text
- http://twfindia.in/userfiles/files/xemorazatasunadiniloti.pdfIn PDF document text
- http://www.logistiekverbeteren.nl/ckfinder/userfiles/files/21730802083.pdfIn PDF document text
- https://goodline.by/userfiles/file/97057313846.pdfIn PDF document text
- https://reaga.net/js/ckfinder/userfiles/files/fedexusemepanevu.pdfIn PDF document text
- http://toyotarent.hk/FileData/ckfinder/files/20210916_698624989E621797.pdfIn PDF document text
- http://wadsoda.com/UserFiles/File/ralobobarigasaki.pdfIn PDF document text
- https://almuhja.net/ckfinder/userfiles/files/novib.pdfIn PDF document text
- https://foodthings.us/userfiles/file/furigeri.pdfIn PDF document text
- http://eichler-kammerer.de/sedunomagif.pdfIn PDF document text
- http://ozkayalartrans.com/userfiles/file/tarobatujewimuneral.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=apk+installer+android+10PDF 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_off0000b199.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB199 | 10632 bytes |
SHA-256: 73e98b1cab4646c2bc68f3ee18ef10d1dcd73cef62b0f9ef95f678f0ac38031c |
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font_01_sfnt_off0000ca16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA16 | 15152 bytes |
SHA-256: a871656b544465d42f7aad79a684296d5abe53a580536b7fa42f7bba7f2fb332 |
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font_02_sfnt_off0000f093.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF093 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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