MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to external URLs, some of which are hosted on compromised CMS uploads. The presence of numerous URLs, including one with a 'utm_term' parameter suggesting SEO manipulation, supports the conclusion that this document is designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://inwebjor.ru/uplcv?utm_term=color+game+land+mod+apk+unlimited+go+coins PDF link annotation
- http://feuerwehrobrigheim.de/upload/files/12499837428.pdfIn PDF document text
- http://www.ktgroup.co.uk/ckfinder/userfiles/files/90025525806.pdfIn PDF document text
- https://cargoservice.pl/cargoservice/userfiles/file/dulorufogibaleduzigozisu.pdfIn PDF document text
- http://thietbibepnhahang.net/media/files/74449586816.pdfIn PDF document text
- http://khachsanmyngoc.com/upload/files/bapikan.pdfIn PDF document text
- http://licausi.it/userfiles/files/73917360030.pdfIn PDF document text
- http://banghetretunhien.com/media/ftp/file/99160169703.pdfIn PDF document text
- https://harmony.im/userfiles/file/18653680377.pdfIn PDF document text
- http://otczenacts.com/media/files/dirazububejidesujofinone.pdfIn PDF document text
- http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613234f414c0f---vuzovanekobifa.pdfIn PDF document text
- http://e2ingenieros.com/ckfinder/userfiles/files/durixesajevidelasidoboruw.pdfIn PDF document text
- http://aligokdemir.com/resimler/files/xudigezuteletiruzojalovu.pdfIn PDF document text
- http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ca793b64e2---vunarogidigagip.pdfIn PDF document text
- http://downtowncincyhotels.com/core_degree/admin/images/cms_imagesfiles/69248406089.pdfIn PDF document text
- http://rem-proekt.com/f/file/kizitaxikowoguw.pdfIn PDF document text
- https://ht-cooling-j3t.com/contents/files/69199434350.pdfIn PDF document text
- http://tysons-cafe.com/uploads/files/88773637204.pdfIn PDF document text
- https://euroialinsol.ro/userfiles/file/18298963461.pdfIn PDF document text
- https://penzion-palice.cz/content/morufemirinejadam.pdfIn PDF document text
- http://triple-a.co.th/ckfinder/userfiles/files/simanemib.pdfIn PDF document text
- http://zhihepvb.com/upload/ckimg/files/202109030637576549.pdfIn PDF document text
- http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/161354ddbdc146---folafimivawof.pdfIn PDF document text
- https://ecoquimica.cl/dinamicos/uploads/file/larerigotax.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_off0000b85e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB85E | 17128 bytes |
SHA-256: 2308cd5287904da202eb218d06a537614ce4ef47f7bfe1c9c9724d24b70882ad |
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font_01_sfnt_off0000e4a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4A3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fcba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCBA | 11080 bytes |
SHA-256: ccda140ae45ceb5858d0f258ad9c049fd3ec9df662d29654247744e2656ceda7 |
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