MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and multiple external URIs, indicating malicious intent. The 'SE_BROWSER_INSTALL_LURE' heuristic strongly suggests the document is designed to trick the user into installing malicious software by posing as a necessary browser update or plugin. The embedded JavaScript likely facilitates this by executing malicious code or redirecting the user to a compromised site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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://archism.ru/uplcv?utm_term=how+to+ban+sites+on+android PDF link annotation
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/u65e349rjtuaglgfcoang36oau/joresivibetazezana.pdfIn PDF document text
- https://taiwan-tiaya.com/upload/tiaya_official/files/13976268350.pdfIn PDF document text
- https://orsam.org.tr/paketler/ckfinder/dosyalar/files/bukob.pdfIn PDF document text
- http://pastadimatteo.com/ckfinder/userfiles/files/45182305588.pdfIn PDF document text
- https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132db971e7a8---5150781066.pdfIn PDF document text
- https://tavcam.com/upload/ckfinder/files/14152201324.pdfIn PDF document text
- http://yuemeism.com/uploadfiles/files/94642246253.pdfIn PDF document text
- http://dentherapia.hu/files/file/logodukudejewave.pdfIn PDF document text
- http://trovas.com/userimages/roxurojalogab.pdfIn PDF document text
- https://wfca-czech.cz/temp/userfiles/files/39400504093.pdfIn PDF document text
- https://oferta.lt/i/File/siwavatadusaru.pdfIn PDF document text
- http://tienhasteel.com/app/webroot/upload/files/doxixi.pdfIn PDF document text
- http://interfacetravels.com/app/webroot/js/ckfinder/userfiles/files/vometinukatubo.pdfIn PDF document text
- https://groupekineconcept.com/userfiles/file/9158752513.pdfIn PDF document text
- http://s4l.vn/storage/ckfinder/files/56195246467.pdfIn PDF document text
- http://mprime.net/ckfinder/userfiles/files/gewasokukagef.pdfIn PDF document text
- http://ajitcoatings.com/uploads/wekarof.pdfIn PDF document text
- http://redondoclassicburger.com/uploads/files/96591301180.pdfIn PDF document text
- http://www.tsahimmongol.com/uploads/images/files/14869115156.pdfIn PDF document text
- https://kidneystonetreatment.in/userfiles/files/kobikikeragemugojizazoji.pdfIn PDF document text
- http://flyingwedge.com/uploads/assets/file/92417801017.pdfIn PDF document text
- http://krishikhabar.net/assets/ckfinder/core/connector/php/uploads/files/28920012417.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_off0000dcef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCEF | 17532 bytes |
SHA-256: d10f766d2cc35730609eb3ae8abfa37620a447d0e93dac5cbdcff1e2869ddadb |
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font_01_sfnt_off00010a90.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A90 | 10412 bytes |
SHA-256: 2378a6a2ccc69d4d86760b624eb997fa3e62b57b0f65c39cf005243296a6bb7f |
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font_02_sfnt_off00012255.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12255 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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