MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF contains embedded JavaScript and numerous links pointing to external resources. Several heuristics indicate that these links form a link farm, with many pointing to compromised WordPress upload directories or disposable hosting. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to redirect the user to a second-stage payload or phishing page.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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 https://yodishit.com/uploads/userfiles/file/25823916483.pdf
- http://montgomery71.com/clients/34132/File/zenezaraxuritugoluje.pdf
- https://rebates.forex/wp-content/plugins/super-forms/uploads/php/files/d9be6dtpun9di6fvnlq6scs1b4/23901132967.pdf
- http://jedwines.com/cmsCart//upload/file/43873238183.pdf
- http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adc3d4b8988---pawevewozikorowisag.pdf
- http://konferencii.org/js/ckfinder/userfiles/files/40811376447.pdf
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1609a8303bf836---55788018031.pdf
- http://circolonauticofavignana.it/userfiles/files/jaseg.pdf
- https://promobryansk.ru/userfiles/files/loxab.pdf
- https://mps-india.com/userfiles/files/gemijotelo.pdf
- http://kunjipsc.com/uploads/files/12274746508.pdf
- http://kme-kme.cz/files/file/ramagekufiwidizedub.pdf
- http://iccj.jp/images/uploads/fckeditor/file/24163934972.pdf
- http://assessmentinsight.com/ckfinder/userfiles/files/38115817222.pdf
- http://jinistudy.com/_UploadFile/Images/file/2183075588.pdf
- http://dirabrealtors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be53e52ba3d---98410122757.pdf
- http://kraski-chernila.ru/resources/file/15586321096.pdf
- http://ambulatorioveterinariovianello.eu/userfiles/files/pepilofiberuxozerebip.pdf
- http://www.tecnotrefg.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a68e769c122---kazabagewof.pdf
- http://dailymaydemtien.com/userfiles/files/16677365552.pdf
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160708f546bc1c---4229965939.pdf
- https://2-view.org/home/view/public_html/ckfinder/userfiles/files/levuzaduzazobizidiga.pdf
- http://sghscsjamarai.org/guruhargobind/userfiles/file/gezodagisul.pdf
- https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160794929b870e---wowasifivifibagogefi.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=signs+of+tonsillitis+in+toddlers
- 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_off0000e6ea.bin8d27e79005365cec83a831b681f550c0154a7be4880a7a173d63b39a6342638e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6EA | 10444 bytes |
font_01_sfnt_off0000fe73.binc3a4b9e8b9f77c0c5963590a3640266ab3fc4edf9b8958540c79d7374c5c10a8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE73 | 17540 bytes |
font_02_sfnt_off00012b0e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B0E | 16792 bytes |
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