MALICIOUS
142
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 an attempt to download and execute a secondary payload. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and the ClamAV detection 'Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0' strongly suggest a phishing or trojan distribution campaign. The embedded JavaScript likely facilitates the download of the malicious payload from one of the listed URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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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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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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://archism.ru/uplcv?utm_term=team+fortress+android PDF link annotation
- http://zenithmetals.com/files/94737561089.pdfIn PDF document text
- http://relaxzenter.com/uploads/files/vesekewesabevode.pdfIn PDF document text
- https://cleartunemonitors.com/ckfinder/userfiles/files/75918466825.pdfIn PDF document text
- https://aadharshilaschool.org/userfiles/file/29780866593.pdfIn PDF document text
- http://santinitravel.co/files/others/jufujukaxake.pdfIn PDF document text
- http://savvyais.com/userfiles/file/jijigasiwanobipidimo.pdfIn PDF document text
- http://ourgans.org/userfiles/files/pazimutegujopinef.pdfIn PDF document text
- https://amoslodge10.org/ckfinder/userfiles/files/dokenivibobufijosaguvos.pdfIn PDF document text
- http://spalovnachemolak.sk/userfiles/file/12581635155.pdfIn PDF document text
- http://sake-tori.com/images/library/File/jaxenuwusivefujixowazeziv.pdfIn PDF document text
- https://griby.biz/ckfinder/userfiles/files/46407133087.pdfIn PDF document text
- https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/eb97c564893b1331a9668ee008d09158/56840430701.pdfIn PDF document text
- http://seteo-dechets.com/images/file/18359988495.pdfIn PDF document text
- http://pyramidplaster.com/file_media/file_image/file/13349742944.pdfIn PDF document text
- http://mrybalko.ru/files/26679701182.pdfIn PDF document text
- https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/161332ce144c1a---jipatorojebinowepofozo.pdfIn PDF document text
- https://nghiepvu.udicmanpower.vn/uploads/news_file/feluziwipilisavagejora.pdfIn PDF document text
- http://www.artefuoricentro.it/js/lib/ckfinder/userfiles/files/kajasusisivilanaxi.pdfIn PDF document text
- http://sovaimm.it/userfiles/files/87690951492.pdfIn PDF document text
- http://babyindex.nl/images/uploads/3933318030.pdfIn PDF document text
- http://mfahk.com/upload/files/vegulumebivilek.pdfIn PDF document text
- https://tennis-samara.ru/img/file/rudiw.pdfIn PDF document text
- https://knoxvilleremembers.com/media/nonusijivufolapewimup.pdfIn PDF document text
- http://pobierzplik.pl/uploads/files/mevatoxotilomimogoborebe.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_off0000ddeb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDEB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f602.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF602 | 10432 bytes |
SHA-256: 78596fe47189035daa2c5672fcde39876c68e933d2364c750cd56f588fe044ae |
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font_02_sfnt_off00010da1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DA1 | 19620 bytes |
SHA-256: ef655e605452c3658e47e27d1fcf38243004c795715fb8f8146525c677bdfa95 |
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