MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs and a heuristic firing for a 'download button' lure, indicating an attempt to trick the user into downloading a payload. The presence of external URIs and a link farm on disposable hosting further supports a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
Heuristics 6
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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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://huntic.ru/uplcv?utm_term=gta+5+android+apk+without+verification PDF link annotation
- http://orgue-chantepie.info/FCKeditor/upload/file/kakapewifejopozup.pdfIn PDF document text
- https://vaitinhdien.com/app/webroot/upload/files/xawolofitunafifutapaki.pdfIn PDF document text
- http://magdrywall.com/project-new/christianbook/upload_images/file/307905981.pdfIn PDF document text
- https://digireg.cn/upload/17253076645.pdfIn PDF document text
- https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/1612fe8fde7cdd---89621003403.pdfIn PDF document text
- https://empresa-venta.hr/files/kosafiruxukajaka.pdfIn PDF document text
- http://ljjxmining.com/uploadfile/file///2021091114311472.pdfIn PDF document text
- http://itnetworkconsultingsf.com/helpdesk/app/webroot/img/userfiles/files/32570490494.pdfIn PDF document text
- https://xtremefitksa.com/ckfinder/userfiles/files/40619827208.pdfIn PDF document text
- https://dveropolis.ru/upload_picture/zulatapakerapudo.pdfIn PDF document text
- http://24x7taazasamachar.com/assets/ckfinder/core/connector/php/uploads/files/54285225323.pdfIn PDF document text
- https://ariaparvaz.com/basefile/ariaparvazcom/files/duxagobamezomowipov.pdfIn PDF document text
- http://epilia.com/upload/FCKEditorfile/80698561850.pdfIn PDF document text
- http://xn--b1agjlwjc3g.xn--p1ai/ckfinder/userfiles/files/66386501033.pdfIn PDF document text
- https://floraplant.gr/FCKeditor/userimages/file/ditepatowawujoredowerinar.pdfIn PDF document text
- http://nsmpublicschool.org/slbdavbatala/userfiles/file/nedufipume.pdfIn PDF document text
- http://alltechsro.cz/files/kudowi.pdfIn PDF document text
- https://12waktu.com/contents/files/sibafavu.pdfIn PDF document text
- https://milsagliksen.org/upload/ckfinder/files/13415550442.pdfIn PDF document text
- https://seeandhearbetter.ie/img/shop/contents/35544230449.pdfIn PDF document text
- http://kondicionery-krasnogorsk.ru/upload_picture/file/21557888277.pdfIn PDF document text
- http://infrabud.eu/fckpliki/file/79509550699.pdfIn PDF document text
- https://doellefjelde-mussemarked.dk/images/newsmail/file/revamizesifakonavobadalas.pdfIn PDF document text
- https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/5f534c18d8ad02dffc1cc21fff552811/35078254247.pdfIn PDF document text
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/bagenuzu.pdfIn PDF document text
- http://warehousetraining.ie/images/rajujigavori.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_off0000e4f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4F5 | 11020 bytes |
SHA-256: 40281492dc4ffda61e2b2f900e626820b23faf0533125182cdd843a43aa5b5a1 |
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font_01_sfnt_off0000feb1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEB1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000116c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116C3 | 17540 bytes |
SHA-256: 45599b998427f6a17029d5cc223c1628cded4360a0ee85b604811d940888de0e |
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