MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, indicating a malicious intent to redirect the user to potentially harmful websites. The critical heuristic 'SE_SECRET_RECOVERY_LURE' strongly suggests the document's purpose is to trick users into revealing sensitive recovery information. The ML classifier and ClamAV detection further corroborate its malicious nature, pointing towards a phishing or credential harvesting attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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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Recovery secret / private key request critical SE_SECRET_RECOVERY_LUREDocument requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
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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=adobe+photoshop+2021+crack+mac PDF link annotation
- https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/3d467adf8596bacec0a2334fc2365d05/46398110679.pdfIn PDF document text
- http://dexgerm.com/data/file/userfiles/files/27147969974.pdfIn PDF document text
- http://mgrima.com/files/file/13297119950.pdfIn PDF document text
- http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/1613c12cf30cfc---mibafepafewofeg.pdfIn PDF document text
- https://brothers-music.com/ckfinder/userfiles/files/jonobigapadosin.pdfIn PDF document text
- https://oglethorpeclub.org/~oglethor/UserFiles/file/mujaxijajarefalelamezoru.pdfIn PDF document text
- http://gandolfiarchitetti.com/userfiles/files/99367494645.pdfIn PDF document text
- http://avtrak.ru/ckfinder/userfiles/files/sewovu.pdfIn PDF document text
- http://phongkhamthienhoa.vn/images/files/8134731655.pdfIn PDF document text
- http://giasudaihocsupham.com/Images_upload/files/28715891621.pdfIn PDF document text
- http://www.hydro-tg.pro/upload/file/rejetevisunero.pdfIn PDF document text
- https://bodzlomu.com/userfiles/file/josanuri.pdfIn PDF document text
- http://mudrkanuch.sk/editor_uploads/system/files/73522346076.pdfIn PDF document text
- http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130bbfb17102---47311450513.pdfIn PDF document text
- http://s8radziejowice-paszkow.pl/userfiles/file/28254879498.pdfIn PDF document text
- http://formel1vermietung.de/userfiles/file/17391757127.pdfIn PDF document text
- http://4els.ru/uploads/images/files/jajusukivulofopeguxibef.pdfIn PDF document text
- http://daieimotors.com/js/upload/files/zobir.pdfIn PDF document text
- http://dream-mebel.com/pic/file/6214907390.pdfIn PDF document text
- https://chungcungoaigiao.vnpec.xyz/uploads/files/kelagumulel.pdfIn PDF document text
- http://e-baze.lv/images/site/file/sokefuzosopixum.pdfIn PDF document text
- https://asfus.net/virgsurv/userfiles/file/naxufusopezokegoxatafote.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_off00011242.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11242 | 11044 bytes |
SHA-256: 5654783e0f81fbf4cdf960d3fad81fba72f4cc51b203c73ec3469276f998dc3d |
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font_01_sfnt_off00012be4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BE4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000143f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x143F6 | 19912 bytes |
SHA-256: 44d917cc5e161c56f3a0907d98ddcbfbf8384c9a9c19a32fdf89b945596b7081 |
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