MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and is identified as a phishing lure by heuristics, suggesting malicious intent. Multiple URLs point to compromised or disposable hosting, likely serving as part of a link farm to obscure the ultimate destination. The ML classifier and ClamAV detection strongly indicate this is a malicious PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
Heuristics 8
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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 68 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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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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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 http://dienlanhlongan.com/upload/files/mofibasadejudiwizenod.pdf
- http://kursadowicz.pl/Upload/file/17243821124.pdf
- http://teenmag.cz/userfiles/file/95324753094.pdf
- http://ledins.lv/cms/file/demixexizujekug.pdf
- https://bhopalliteraturefestival.com/mpsdp/uploads/files/99272375728.pdf
- http://www.arborvitae.cz/ckfinder/userfiles/files/1470094512.pdf
- http://dentistturkey.com/image/files/94690429747.pdf
- http://ciarajewellery.com/editor_upload/file/63571688844.pdf
- http://gardena.crazyrockinsushi.com/uploads/files/71441118970.pdf
- http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16132d0cc8e572---69990880440.pdf
- http://eot.mn/uploads/userfiles/files/rasol.pdf
- https://alkirbilaw.com/userfiles/files/ketufovapilixasem.pdf
- https://hunghiephuylog.com/upload/files/pijezaxax.pdf
- https://francois-daulte.com/ckfinder/userfiles/files/poximazidol.pdf
- https://goez3.com/10005001208290177/ckfinder/userfiles/files/kasaxefewoxinenufeluwa.pdf
- http://gjbbang.com/userData/board/file/kewapevopikoruxi.pdf
- http://www.workbythai.com/admin/assets/images/welomalosawadatetawupi.pdf
- http://digjamaica.com/app/webroot/files/lanoxedivedokixiwog.pdf
- http://stsmcc.org/www/js/ckfinder/userfiles/files/7095731180.pdf
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613fe58fe12c0---dedogujitedatofowinenu.pdf
- http://heyumpnd.com/userfiles/file///62890864760.pdf
- https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/1614c43724a82a---6977588999.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=nintendo+game+apps+for+android
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000af6c.binf9c0e7de15bc610f54f8f9f57ba5ac6d944854af92af8a0058be31223a6411bb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF6C | 10772 bytes |
font_01_sfnt_off0000c7fa.bin0782ab1be06489212900bacc491f1388aaaa052be6e13954803e62616ccc5cdb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC7FA | 13852 bytes |
font_02_sfnt_off0000ea80.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA80 | 16792 bytes |
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