MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which are part of a link farm on disposable hosting, suggesting a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URIs are indicative of a spearphishing attachment designed to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9940
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://coretry.ru/uplcv?utm_term=file+sharing+android+to+iphone PDF link annotation
- http://lyzebrno.cz/userfiles/file/36183171132.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143bb7737484---bevanabanal.pdfIn PDF document text
- https://taksis.lv/taksis/userfiles/file/59398309920.pdfIn PDF document text
- https://cukimentescukraszda.hu/files/files/poxuguk.pdfIn PDF document text
- https://xn--49st2et51duvk.com/upload/files/vovuvolojajegewi.pdfIn PDF document text
- http://tccsrl.org/userfiles/files/9730143232.pdfIn PDF document text
- http://hodori247.com/uploads/files/42805660684.pdfIn PDF document text
- http://temdientu.vn/images/ckeditor/files/27453796766.pdfIn PDF document text
- http://sakaryakasaplarodasi.org/userfiles/file/gijulafaginenimopofoxul.pdfIn PDF document text
- https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/789024ac6f02cfaad270295c52e20809/zowufoniku.pdfIn PDF document text
- http://sevennews.com.br/ckfinder/userfiles/files/kosiwuxo.pdfIn PDF document text
- https://www.vpn-solutions.com.pe/ckfinder/userfiles/files/20215962016.pdfIn PDF document text
- https://lapakunited.com/contents/files/96164322672.pdfIn PDF document text
- https://www.orthovision-lublin.pl/ckfinder/userfiles/files/romenogonabarinazisuwobov.pdfIn PDF document text
- https://luatsuavina.com/userfiles/file/lusob.pdfIn PDF document text
- https://culturasiapamplona.com/guiarte_userfiles/files/87881537010.pdfIn PDF document text
- https://ashleymongolia.mn/uploads/files/72671404444.pdfIn PDF document text
- https://sunnyrosesschool.com/userfiles/file/mefidinakogutobixepuker.pdfIn PDF document text
- http://cen7dias.es/userfiles/files/kibevazisegafimozivik.pdfIn PDF document text
- http://angarakshaksecurity.com/userfiles/file/nixaretazexomuwifo.pdfIn PDF document text
- http://hani-bee.com/userfiles/files/jobegivisuzazukuse.pdfIn PDF document text
- http://acm-medicali.it/userfiles/files/jiduromeme.pdfIn PDF document text
- http://hoanggiaphatland.com/uploads/image/files/dijowewoxewexatokunalevof.pdfIn PDF document text
- http://www.syrahresources.com.au/application/third_party/ckfinder/userfiles/files/59104144426.pdfIn PDF document text
- https://huanghecables.com/d/files/74890387035.pdfIn PDF document text
- http://hyunbulsa.org/~ewedd2/userfiles/file/44188084281.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000bcde.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBCDE | 10648 bytes |
SHA-256: 4642709d5d56b7a78d561cd5028d27717fd99ec9ed930d0c51368c61928144ee |
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font_01_sfnt_off0000d4ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4EC | 16672 bytes |
SHA-256: f8474bac2a07f3ed836991910df698c8df1720dc6b5514e58c857151b0f54fa4 |
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font_02_sfnt_off00010008.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10008 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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