MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The presence of embedded JavaScript and a large number of external URLs, including one with a 'utm_term' parameter suggesting a phishing lure, points towards a phishing or malware distribution scheme. The document's structure as a link farm on disposable hosting further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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 https://irlanc.ru/uplcv?utm_term=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%BD%D0%B0+android+root+%D0%BF%D1%80%D0%B0%D0%B2%D0%B0 PDF link annotation
- https://brawlcall.com/ckfinder/userfiles/files/30606634188.pdfIn PDF document text
- http://hstairan.com/FCKeditor/editor/filemanager/connectors/php/userfiles/file/92987766649.pdfIn PDF document text
- http://kruengrangthai.com/files/files/13723429422.pdfIn PDF document text
- http://filipdegreef.be/uploads/files/80229615993.pdfIn PDF document text
- http://studioesflores.pl/obrazy/file/25065527432.pdfIn PDF document text
- https://hankilfood.com/upfile/files/35313935095.pdfIn PDF document text
- http://fcv-bo.org/data/fcv-bo/userfiles/file/21845548397.pdfIn PDF document text
- http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16138faa925193---43887770572.pdfIn PDF document text
- http://dbcasagayathottam.org/assets/uploads/cms_images/files/pizamufonebiponanovapu.pdfIn PDF document text
- https://bankkartya.hu/js/ckfinder/userfiles/files/netebeminopemepapipomi.pdfIn PDF document text
- http://twtipa.com/upfile/files/2021/09/06/6477874095.pdfIn PDF document text
- http://findacommodity.com/upload/file/30181296243.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/161340963d6bdb---kizedavusejizuf.pdfIn PDF document text
- http://miyozenemeryville.com/uploads/files/23996296525.pdfIn PDF document text
- http://sayarbobinaj.com/file/ditavivuwezifujap.pdfIn PDF document text
- http://www.centrosanmarco.eu/img/news/files/gasodexosadakodosavotudaz.pdfIn PDF document text
- http://playitdirect.ca/ckfinder/uploadfiles/files/muwunim.pdfIn PDF document text
- http://alltimescare.com/attachment/files/durifelidavanuretanur.pdfIn PDF document text
- http://adabaskimerkezi.com/upload/file/87565937153.pdfIn PDF document text
- http://op-gold.com/ck_image/files/15117196184.pdfIn PDF document text
- http://ettorebelfioreliutaio.it/userfiles/files/82745863393.pdfIn PDF document text
- http://hamlineparkplaza.com/assets/amund/ckfinder/userfiles/files/xuboso.pdfIn PDF document text
- http://carscaso.com/js/upload/files/21579533173.pdfIn PDF document text
- http://sumisaedu.com/FileData/ckfinder/files/20210909_951E22FCB5ABB6C1.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_off0000b5a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB5A2 | 22660 bytes |
SHA-256: b4f8a34102fc31a267476fdf6e1ceb312a216e83a1682deaa54d438eee28619b |
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font_01_sfnt_off0000eea5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEA5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000106bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106BC | 10884 bytes |
SHA-256: 128337fab5bf46c33f1a620d636822b0f77afe8e9342999c93f3d098123aabd4 |
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