MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple external URIs, indicating malicious intent. The heuristic 'PDF_IMAGE_LURE' suggests the document is designed as a screenshot to trick users into clicking a malicious link. The ML classifier and ClamAV detection strongly support this assessment, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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 1 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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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://infrive.ru/uplcv?utm_term=dialectical+behavior+therapy+techniques+pdf PDF link annotation
- http://tatugigo.com/ckfinder/userfiles/files/memuf.pdfIn PDF document text
- https://z87992961.com/upload/files/20210930212406.pdfIn PDF document text
- https://franchisefarm.franchiseharbor.com/files/files/32878158321.pdfIn PDF document text
- http://tugrabilgisayar.net/resimler/files/52742009280.pdfIn PDF document text
- http://vita24h.com/uploads/userfiles/file/gadapoda.pdfIn PDF document text
- https://heritran.vn/uploads/news_file/fibinute.pdfIn PDF document text
- http://laconchigliacasevacanze.it/userfiles/files/siwikurixid.pdfIn PDF document text
- https://corumosmanlimakina.com/js/ckfinder/userfiles/files/53017903903.pdfIn PDF document text
- http://ccforum.kr/uploads/file/1632653741.pdfIn PDF document text
- https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137cb6708db8---65838844660.pdfIn PDF document text
- http://i-dron.cz/data/file/99360973587.pdfIn PDF document text
- https://brazilairporttransfers.com/ckfinder/userfiles/files/54745448992.pdfIn PDF document text
- https://mahae.hu/files/files/kazawilefirewudexagininuk.pdfIn PDF document text
- https://cmottaviproductive.it/uploads/file/43976664145.pdfIn PDF document text
- https://drhuanghair.com/uploads/files/202109071533021986.pdfIn PDF document text
- http://gshosnab.ru/userfiles/file/rapigeworivefidadoda.pdfIn PDF document text
- http://mytrangroup.com/uploads/userfiles/file/reteroter.pdfIn PDF document text
- http://ventiliatoriai.lt/js/ckfinder/userfiles/files/52631048531.pdfIn PDF document text
- https://at2-turbo-j3t.com/contents/files/95444001800.pdfIn PDF document text
- http://elmiraclassiccountry.com/wp-content/plugins/super-forms/uploads/php/files/854fb90bc8e995cead13ff040776032a/66522081292.pdfIn PDF document text
- http://goldmustang.com/files/files/pikedakubeto.pdfIn PDF document text
- http://manuale.aziendasulweb.it/userfiles/files/dinizegovujem.pdfIn PDF document text
- https://awinresource.com/uploadfile/file/48275485278.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_off0000aeaf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAEAF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c6c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC6C6 | 11284 bytes |
SHA-256: a8d2f07957d5243e975dfd42e90310894b3880cb051e15ceec48ed5f25697947 |
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font_02_sfnt_off0000e0d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0D4 | 14520 bytes |
SHA-256: ae0ca35820cfae15e4ce28beaeb3cf81d538dccfa98348538872c179c297642a |
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