MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple external URIs, indicating it's designed to redirect users to malicious sites. The 'PDF_IMAGE_LURE' heuristic suggests it uses a screenshot as a lure, common in phishing campaigns. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9957
Heuristics 7
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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 67 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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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://chcial.ru/uplcv?utm_term=securities+market+nse+pdf PDF link annotation
- http://15441707.com/data/board/file/20210905055052.pdfIn PDF document text
- https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/42e882efdca4a081e4d0ad04036af758/9974907355.pdfIn PDF document text
- http://stcforanebanglore.smcim.com/www/js/ckfinder/userfiles/files/79111773948.pdfIn PDF document text
- http://reliancefla.com/admin/images/file/gukisexezali.pdfIn PDF document text
- https://posaonakosovu.com/ckfinder/userfiles/files/99664688652.pdfIn PDF document text
- https://www.sterlingsez.com/ckfinder/userfiles/files/69775957584.pdfIn PDF document text
- http://sayarbobinaj.com/file/gapar.pdfIn PDF document text
- http://airelimpio.mx/img/editor/file/87249487179.pdfIn PDF document text
- https://atputasbazes.lv/images/userfiles/files/2043996454.pdfIn PDF document text
- https://nacionalequipamentos.com/ckeditor/uploads/files/samopujobugazojapetizawot.pdfIn PDF document text
- https://loyallcanada.net/editor_files/file/61938057416.pdfIn PDF document text
- http://cottoneauto.it/userfiles/files/wepaburojurerubatifag.pdfIn PDF document text
- https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613123ec70864---rubuxawojoze.pdfIn PDF document text
- https://vinasimex.com/uploads/file/51781469241.pdfIn PDF document text
- http://www.introspekta.si/ckfinder/ckeditor_uploaded_files/files/gajewu.pdfIn PDF document text
- https://laser123.com/geektic/files/14727421676.pdfIn PDF document text
- https://reha.bg/content/upload/file/26489529114.pdfIn PDF document text
- http://cbstav.cz/file/tedisokawigujebibetiniw.pdfIn PDF document text
- https://duocvinhkim.com/userfiles/file/volonamijunisifeki.pdfIn PDF document text
- http://narzedziascierne.eu/Upload/file/18658626953.pdfIn PDF document text
- http://ucinnovation.ru/admin/ckfinder/userfiles/files/tovip.pdfIn PDF document text
- http://busto-wl.gattinonimondodivacanze.it/themes/userfiles/files/xofimisatodoran.pdfIn PDF document text
- https://mediaget.com/userfiles/files/94900763047.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_off0000ae8a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE8A | 13956 bytes |
SHA-256: 4e7c75c3e939fbfb683e9246400bbc340b9bb8045ff28f8e72ae8620a5cca952 |
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font_01_sfnt_off0000d0cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0CD | 10880 bytes |
SHA-256: 654bfc38abec56366f8f5beb8c78e36d47d9316fdf08b76710a9621dd0f3ba71 |
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font_02_sfnt_off0000e9f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9F4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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