MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code within documents. The sample also exhibits characteristics of a link farm, with numerous external URLs pointing to other PDF files, suggesting a multi-stage infection or phishing campaign. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution.
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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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://irlanc.ru/uplcv?utm_term=milmo+para+android PDF link annotation
- https://maffart-guy.com/userfiles/file/53940583354.pdfIn PDF document text
- http://dongphat.net/upload/files/bupusozetopi.pdfIn PDF document text
- http://chaodontuonglai.vn/uploads/ck_upload/files/tupejunezulawuloxitukiw.pdfIn PDF document text
- http://cnmrobotics.com/files/files/8441663031.pdfIn PDF document text
- https://baxsporthorses.com/userfiles/file/tiwuxilozur.pdfIn PDF document text
- http://fujiya-la.com/uploads/files/zevibegiwekisofunijakoron.pdfIn PDF document text
- https://kolkatanagariksammelan.org/ckfinder/userfiles/files/25079641782.pdfIn PDF document text
- http://ckpak.com/fckeditor/userfiles/file/kirebisunopuzakape.pdfIn PDF document text
- http://comitatoamiantovelodromo.org/userfiles/file/bogutaxetelejuluvaf.pdfIn PDF document text
- https://www.hs-hofgastein.salzburg.at/ckfinder/userfiles/files/xagopodo.pdfIn PDF document text
- https://nepalonetours.com/userfiles/files/pibaxoba.pdfIn PDF document text
- http://sushiosushi.com/uploads/files/tebopalexenuzenajomito.pdfIn PDF document text
- http://saxonrt.hu/img/userfiles/files/78341548822.pdfIn PDF document text
- http://www.impactit.in/ckfinder/userfiles/files/43377766315.pdfIn PDF document text
- http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613de9aca8bf4---71726621789.pdfIn PDF document text
- https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/ecffb0a376cc49d5404f3f6a3aa5efb9/69973127613.pdfIn PDF document text
- http://dermatologomiguelgallego.com/miguel/fck/file/lekebem.pdfIn PDF document text
- http://juncheng.tw/upload/files/kajagepowugonumifuf.pdfIn PDF document text
- https://getracemirates.com/userfiles/files/74321215023.pdfIn PDF document text
- https://nhahangthanghuong.com/uploads/files/toxixatagijirivatud.pdfIn PDF document text
- http://mylodge-naoshima.com/images/blog/file/33288230460.pdfIn PDF document text
- http://everbeenmagnet.com/js/upfiles/files/72470609.pdfIn PDF document text
- https://wecareu.net/ckfinder/userfiles/files/fepedenavu.pdfIn PDF document text
- https://hamayeshniroo.com/shop/file/rogiviputebukas.pdfIn PDF document text
- https://www.tamilsaga.com/ckfinder/userfiles/files/pezusorokizubuzoru.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_off00010cd9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CD9 | 19660 bytes |
SHA-256: 04ae0ffc658a8e152cdda6c14db753059739d06cc4dd9b8ca3730df2e7099d0b |
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font_01_sfnt_off00013fa1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13FA1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000157b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x157B8 | 10148 bytes |
SHA-256: 4a326bb735bac0f17fec9eb3f7bee361a112f8244525a40c0ba9bab37f5c469b |
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