MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF is identified as a phishing lure due to its image-only nature and the presence of clickable external URIs. The ML classifier and ClamAV detection strongly indicate malicious intent. The document likely serves as a deceptive front to redirect users to malicious websites hosted on disposable domains, as suggested by the link farm heuristic.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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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://krisoc.ru/uplcv?utm_term=example+of+first+newton+law PDF link annotation
- https://aquarell.ro/userfiles/file/57131732520.pdfIn PDF document text
- http://ativn.com/upload/file/89857659144.pdfIn PDF document text
- http://www.deewanalarab.com/up_imgs/noxina.pdfIn PDF document text
- http://train-in-japan.com/images/blog/file/76674053069.pdfIn PDF document text
- http://saigonford3s.com/uploads/2021-09-17/images/files/95330479780.pdfIn PDF document text
- http://k3projekt.pl/uploads/userfiles/files/65673368228.pdfIn PDF document text
- http://aksaaydinlatma.com/img/editor/image/file/49202253197.pdfIn PDF document text
- http://zvaracskaskola.eu/editor_uploads/system/files/38265809530.pdfIn PDF document text
- http://bfr-bialapodlaska.pl/userfiles/file/riwutewapusimetakebap.pdfIn PDF document text
- https://aonetreks.com/uploads/file/10789768821.pdfIn PDF document text
- http://aromamahabaleshwar.com/ckfinder/userfiles/files/93127805838.pdfIn PDF document text
- http://juditphotography.com/picture/userfiles/file/zefatuduvukipureluf.pdfIn PDF document text
- http://custom-mugs-factory.com/uploadfile/files/bolobesuzaredemerabe.pdfIn PDF document text
- http://yarpb.ru/pic/userfile/42879237072.pdfIn PDF document text
- http://thementalhealthadvocates.org/files/userfiles/file/84702403389.pdfIn PDF document text
- https://sujatasfoodopolis.com/ckfinder/userfiles/files/27298754930.pdfIn PDF document text
- http://www.americaninvest.net/upls/files/28907823042.pdfIn PDF document text
- https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/4f12eb91b4eced4cd0cb3d32ba511664/nirozapivotesiguminolepus.pdfIn PDF document text
- http://konikanarrowfab.com/ckfinder/userfiles/files/tefojutavemepo.pdfIn PDF document text
- https://leavereview.com/customerinterview/ckfinder/userfiles/files/33149628832.pdfIn PDF document text
- http://soft-pro.hr/upload/datoteke/97869512438.pdfIn PDF document text
- https://presentkompaniet.com/img/content/file/87123204703.pdfIn PDF document text
- http://www.ciesol.com/ckfinder/userfiles/files/80616645686.pdfIn PDF document text
- https://gad-elhak.com/userfiles/file/nenerisoru.pdfIn PDF document text
- http://ticaproduce.com/ckfinder/userfiles/files/13361984256.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_off0000b016.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB016 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c828.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC828 | 14340 bytes |
SHA-256: 17cb8d6d47d119896ddf5bee0f68966b791392716befb7afe66b2efccb9bc63d |
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font_02_sfnt_off0000ec50.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC50 | 10688 bytes |
SHA-256: 4189473b24717fe331cb1019dfa0f9052ca618c3f876285d8dd23901372d9806 |
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