MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external URIs and link farms, many hosted on disposable domains, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a malicious document designed to lure users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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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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://synerhu.ru/uplcv?utm_term=snaptube+download+2020+ios PDF link annotation
- https://taperagi.com/contents/files/gigukeborozevejokoziw.pdfIn PDF document text
- http://ls12368.com/userfiles/file/dabozewopiririwamukotubo.pdfIn PDF document text
- http://8njl.com/userfiles/files/94441404066.pdfIn PDF document text
- http://www.verneteco.com/ckfinder/userfiles/files/32606187801.pdfIn PDF document text
- http://asja.ua/userfiles/file/movoxunaretimoxitowasikiw.pdfIn PDF document text
- http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614ef65cbb566---rubutemiwanuzal.pdfIn PDF document text
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/raamgptporc5019nhoqf3so8p3/56169938715.pdfIn PDF document text
- https://www.benkorner.nl/admin/library/ckfinder/userfiles/files/42999388321.pdfIn PDF document text
- http://studiomarazzi.eu/userfiles/files/baxugasikuvuvotuv.pdfIn PDF document text
- https://bankubezpieczen.pl/userfiles/file/kusulegitijatidop.pdfIn PDF document text
- http://itaxabc.com/userfiles/file/20210916212913_1557090257.pdfIn PDF document text
- http://indcms.testingmachines.com/images/file/7420307788.pdfIn PDF document text
- https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16142cc3cc414a---23068377072.pdfIn PDF document text
- http://ankaser.com/userfiles/file/tuzomikebukozat.pdfIn PDF document text
- http://logicparcel.net/uploadsEditorfile/tamukadisazurazabu.pdfIn PDF document text
- https://motodubai.com/uploaded_images/files/nilutizuwoxukupubas.pdfIn PDF document text
- https://distriparkbotlek.nl/userfiles/files/35185529315.pdfIn PDF document text
- http://dwallacelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/25227150354.pdfIn PDF document text
- https://minipowerpack.net/upload/files/43415815863.pdfIn PDF document text
- https://jordanadams.com/ckfinder/userfiles/files/3823827260.pdfIn PDF document text
- http://kirakuramenandsushi.com/uploads/files/99308401284.pdfIn PDF document text
- http://mirsistem.com/depo/sayfaresim/file/lumugipugepunoxipa.pdfIn PDF document text
- http://ledspectrumthai.com/ckfinder/userfiles/files/neripakika.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_off0000b188.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB188 | 10928 bytes |
SHA-256: 9a719d5f75883b3c25679f057a6595126a1043f9be14e7c245667e3f7b36b7a4 |
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font_01_sfnt_off0000cad0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAD0 | 16468 bytes |
SHA-256: 3dfc6341639da98c402077e3154dc571ca04955e019b2074430f67ac416c9d43 |
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font_02_sfnt_off0000f508.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF508 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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