MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for executing malicious code within documents. The presence of numerous external URIs, many pointing to PDF files on potentially disposable domains, suggests a link farm or phishing lure. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to redirect users to malicious sites or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9902
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://drsrkbedcollege.com/ckeditor/ckfinder/userfiles/files/xorewizib.pdf In PDF document text
- https://jeevadhara.org/work/london/userfiles/file/padidosudipotut.pdfIn PDF document text
- https://sfeerweter.nl/userfiles/files/73268310246.pdfIn PDF document text
- http://aluminial.pnh.pt/js/ckfinder/userfiles/files/37969384312.pdfIn PDF document text
- http://anpharma.net/upload/files/41213986830.pdfIn PDF document text
- https://www.libyamonitor.com/sites/all/libraries/ckfinder/userfiles/files/bepipeke.pdfIn PDF document text
- https://bodykneadstherapy.com.au/ckfinder/userfiles/files/62134074348.pdfIn PDF document text
- http://aorganboys.handyfriendship.com/upload/files/gemomalavimuvaw.pdfIn PDF document text
- http://sor1310.com/userfiles/file/65703342850.pdfIn PDF document text
- https://cardolf.ro/files/80335508525.pdfIn PDF document text
- https://www.weboonline.com/ckfinder/userfiles/files/bijomuxuju.pdfIn PDF document text
- http://www.jobibon.com/admin/userfiles/file/tevuma.pdfIn PDF document text
- http://narcisse.sk/editor_uploads/files/jetodowa.pdfIn PDF document text
- https://dolupin.com/calisma2/files/uploads/mifokop.pdfIn PDF document text
- http://sparan-art.ru/ckfinder/userfiles/files/vamufotimi.pdfIn PDF document text
- http://poliinc.com/upload/files/kowobuteguvusaxala.pdfIn PDF document text
- http://thsport.dk/userfiles/file/31914108527.pdfIn PDF document text
- http://ilsogno-bomboniere.com/userfiles/files/35086077133.pdfIn PDF document text
- http://delannahotel.com/user_img/file/wejube.pdfIn PDF document text
- http://wittlich-luexem.de/userfiles/file/xapuj.pdfIn PDF document text
- https://pottoka.info/files/galeria/files/93852911031.pdfIn PDF document text
- http://studiobaliva.eu/userfiles/files/31124270810.pdfIn PDF document text
- http://stroyvodservice.ru/upload/File/winupuguba.pdfIn PDF document text
- https://nyirfa.hu/uploads/files/lefapafapanizogono.pdfIn PDF document text
- http://tai-yang.tw/taiyang/upload/file/73242740840.pdfIn PDF document text
- https://dongphuchuytai.com/upload/files/vomavixudotifuza.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=idle+heroes+hacksPDF 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_off0000b7ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB7EE | 17160 bytes |
SHA-256: 18a63a097780d0262c8a4143247adbfed53769797ab04c7e43d266cc9830e39d |
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font_01_sfnt_off0000e37f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE37F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fb96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB96 | 10216 bytes |
SHA-256: 930f4f0c1724265d730a2397e8faddd2d3b233f020f004da2eedbdf1ffd28c64 |
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