MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs pointing to external domains, suggesting a phishing or malware distribution campaign. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a deliberate attempt to create a large number of links on disposable hosting, reinforcing the malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://oniceh.ru/uplcv?utm_term=after+book+series+free+pdf+download PDF link annotation
- http://ghettaetamionarchitetti.it/userfiles/files/20877409050.pdfIn PDF document text
- http://rdmsrl.it/userfiles/files/zuxogovizavep.pdfIn PDF document text
- http://azbuka-d.ru/ckfinder/userfiles/files/tupawarosulitowuribid.pdfIn PDF document text
- https://huaienclinic.com/uploadpic/files/buzok.pdfIn PDF document text
- http://srs-budapest.hu/uploads/files/21977838572.pdfIn PDF document text
- http://westhollywood.ilovepokebar.com/uploads/files/xinofawaxutefeganegigi.pdfIn PDF document text
- https://sapthagireesyathra.com/userfiles/file/5462173960.pdfIn PDF document text
- http://e-pisanie-prac.pl/famprojekt_z_serwera/images/file/36532744649.pdfIn PDF document text
- http://nexxstep.nl/userfiles/file/robukepopilufero.pdfIn PDF document text
- http://xn--m1age8bh.xn--p1ai/files/file/66397463771.pdfIn PDF document text
- https://client-sms.com/ckfinder/userfiles/files/wajodekegepalimifusomaf.pdfIn PDF document text
- http://www.gpe-el.pro/ckfinder/userfiles/files/72434632919.pdfIn PDF document text
- http://vandientuchinhhang.com/upload/files/ludijozuduvamapazu.pdfIn PDF document text
- http://masterref.ru/editorfiles/file/62605945028.pdfIn PDF document text
- http://montazerangroup.com/uploader/file/26914768288.pdfIn PDF document text
- http://afslab.asia/upload/files/numeto.pdfIn PDF document text
- https://movingalpsfoundation.ch/userfiles/file/37277921280.pdfIn PDF document text
- http://kimsanghun.com/upload/userfiles/file/2021972237409193.pdfIn PDF document text
- https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614703d6737f3---44242087796.pdfIn PDF document text
- http://ngocphuocjsc.com/public/default/ckeditor/files/sixedimukirovafunemekuz.pdfIn PDF document text
- https://nomortiga.com/contents/files/39043927988.pdfIn PDF document text
- http://bloomx.com/sites/all/sites/bloomx.com/files/wisirazediropome.pdfIn PDF document text
- http://imobilestore.de/userfiles/file/lotumawabajamululiled.pdfIn PDF document text
- https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/72b857e84479960dae9d86a766ed5569/pomiguzeko.pdfIn PDF document text
- http://elpijisystem.com/file/14932431484.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_off0000d7a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7A1 | 17940 bytes |
SHA-256: 2606adf3f428ce9e625cc62525a1c9ded90e42b2f9a50b027a2bb8d87e717650 |
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font_01_sfnt_off00010649.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10649 | 10792 bytes |
SHA-256: 4bec735ab6efb069d87c51d8717841ec8c57794eb96e399860ed76a1f986f0c4 |
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font_02_sfnt_off00011f24.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F24 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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