MALICIOUS
172
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document contains embedded JavaScript and multiple external links, many of which point to compromised CMS upload storage or disposable hosting. The primary URL suggests a lure for downloading software, indicating a phishing or potentially unwanted software distribution attempt. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
Heuristics 8
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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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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://smidgel.ru/uplcv?utm_term=download+idm+2021+full+crack PDF link annotation
- https://apoiotelecom.com/imagens/img_fckeditor/file/96908457582.pdfIn PDF document text
- http://rainhouse.kr/data/editor/file/255946583613ddc087d0a8.pdfIn PDF document text
- https://granitabrasive.hu/editor_up/zogupupijogiruboretaro.pdfIn PDF document text
- http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a829e57101---bivew.pdfIn PDF document text
- https://springkasteelhuren.be/userfiles/file/75102856954.pdfIn PDF document text
- http://videofilm-tv.ru/content/File/moraruwexuripaxuxezemapok.pdfIn PDF document text
- https://cosonnguyenthanh.vn/webroot/userfiles/files/68475103382.pdfIn PDF document text
- http://szzxwx.com/Upload/Upload/file/202191746189310.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/cfd03c7647f7864d8e3d8eb26f341a6c/nisanikudubazos.pdfIn PDF document text
- https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613b62d37cded---85791904028.pdfIn PDF document text
- http://studioboscono.it/userfiles/files/83624801672.pdfIn PDF document text
- https://trade.inter-ural.ru/ckfinder/userfiles/files/vibotarenapar.pdfIn PDF document text
- https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/fb16f2c9610a5a66cb960b8faf47c3d9/12916716909.pdfIn PDF document text
- http://tianfonmm.com/d/files/84421084839.pdfIn PDF document text
- https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/f34e0cbcf3a3508fef9cbe5a2a1e4991/xufewuxebazari.pdfIn PDF document text
- https://tahuacoop.com/cms_gpadmin2015/sgi_userfiles/userfiles/files/refofojebewijiwuf.pdfIn PDF document text
- https://alternativecarrepair.com/userfiles/file/25407385686.pdfIn PDF document text
- http://ogcdc.org/uploads/ck_upload/files/gapuvowisideseka.pdfIn PDF document text
- http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613652157244d---92480270727.pdfIn PDF document text
- https://blnk.eu/userfiles/files/40417241158.pdfIn PDF document text
- https://www.fibertech1.com/my_content/js/ckfinder/userfiles/files/18244827728.pdfIn PDF document text
- http://grandioso.asia/editor_upload_image/file/67902036683.pdfIn PDF document text
- https://najlepsze-w-polsce.pl/uploads/48887389188.pdfIn PDF document text
- http://vtdsbinhthuan.vn/public/uploads/userfiles/file/waxezuraluraridi.pdfIn PDF document text
- http://lapawan15.com/shop/fck_file/file/kiviteladonezu.pdfIn PDF document text
- http://gruaszarate.com/ckfinder/userfiles/files/31987526670.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_off0000d573.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD573 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ed8a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED8A | 10812 bytes |
SHA-256: 33584c0f247e795fb8ea1118413f05eae7699d04c9653f62a8c6769b2a01e226 |
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font_02_sfnt_off0001067d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1067D | 17512 bytes |
SHA-256: 89523289988c8a06a7cf2effcd01c7bf0be7c517eb46d0f139c57bf0df4c2a66 |
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