MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and is flagged by multiple heuristics as malicious, including a specific ML classifier and ClamAV detection. The document structure and heuristics indicate it's an image-only lure designed to trick users into clicking a link, which redirects to external URLs. These URLs are likely part of a phishing or malware distribution chain.
Machine Learning
- Nyx PDF Classifier malicious score 0.9950
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 76 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://coretry.ru/uplcv?utm_term=du+speed+booster+apk+2020 PDF link annotation
- http://andreuma.madteam.net/ckfinder/userfiles/files/zuvavu.pdfIn PDF document text
- https://pmms-online.com/assets/file/44639923197.pdfIn PDF document text
- http://www.roosprommenschenckelfoundation.nl/ckfinder/files/files/94790475462.pdfIn PDF document text
- https://propactionvehiclesuk.tv/userfiles/files/depisesamutu.pdfIn PDF document text
- http://agataklimowska.pl/userfiles/file/xasotizalitipemi.pdfIn PDF document text
- http://lecostationery.com/files/file/83848560515.pdfIn PDF document text
- https://faktxeber.com/resimler/files/27376284575.pdfIn PDF document text
- http://ekonopuntos.com/campannas/file/zakojapelopexuvenobogu.pdfIn PDF document text
- https://traveletrust.com/basefile/traveletrustcom/files/wujelafizedejosotalota.pdfIn PDF document text
- https://bvphcn.bdata.vn/upload/files/wazolikivubezivetusinolo.pdfIn PDF document text
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613b85a149cdd---77874433556.pdfIn PDF document text
- https://pmeds.us/userfiles/file/notuvigameb.pdfIn PDF document text
- http://www.moyekolodin.com/files/telamoduxaxivisiz.pdfIn PDF document text
- https://klcmekatronik.com/ckfinder/userfiles/files/12324085486.pdfIn PDF document text
- https://halkapsikoloji.net/userfiles/file/pikeweverafesetasud.pdfIn PDF document text
- http://shendaoguoji.com/data/attachment/file/32833222956.pdfIn PDF document text
- https://stancijanegrin.com/userfiles/file/37106237814.pdfIn PDF document text
- https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/656d90857f062805d45443c0939d7e95/zuxugibirasanatijajilage.pdfIn PDF document text
- http://sun-marche.com/app/webroot/js/ckfinder/userfiles/files/83599636212.pdfIn PDF document text
- http://xn--80aaeiengkwpz6p.xn--p1ai/pub/file/zejoxorezepe.pdfIn PDF document text
- https://goodluckfishing.com/ckfinder/userfiles/files/wixexoru.pdfIn PDF document text
- http://nusratali.com/userfiles/files/24001626865.pdfIn PDF document text
- http://jarosi.hu/files/file/kalisotekudapibaw.pdfIn PDF document text
- https://powerliteaac.com/userfiles/file/31558252947.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b1ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1CA | 18024 bytes |
SHA-256: 027535a2509da5ee5e40df4c033ae726db50fa08aa50a5fb20c7018d8f128a0d |
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font_01_sfnt_off0000cda1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDA1 | 10720 bytes |
SHA-256: 34f810041758384be3259a340bd9be5e0c275fa897b72fabf894ff4254c98e36 |
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font_02_sfnt_off0000e642.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE642 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_03_sfnt_off0000fe54.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE54 | 13768 bytes |
SHA-256: f599bc3523bc920e9ae0f2da287c4148a299bd9c47ed57c205f47cad8efbeccf |
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