MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. The document contains a link farm pointing to compromised WordPress sites, likely intended to trick users into downloading a password-protected archive. The presence of embedded URLs and the overall structure suggest a phishing lure designed to bypass gateway security by encrypting the final payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 7
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://medvor.ru/uplcv?utm_term=any+pdf+password+recovery PDF link annotation
- https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132d28640f6a---fevebabemizuwo.pdfIn PDF document text
- https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/161313875ca250---20755916327.pdfIn PDF document text
- http://xn--22cjbbm2eyae3ehabdb4kqdtae3dxnnc1fhf.com/user_img/files/97222614731.pdfIn PDF document text
- http://www.jokilaaksonratsastajat.fi/file/tisoz.pdfIn PDF document text
- http://pololanna.com/user_img/files/45111872636.pdfIn PDF document text
- http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ceffb73191---16037778548.pdfIn PDF document text
- https://pt2-turbo-j3t.com/contents/files/vizasununuzuxoludesan.pdfIn PDF document text
- http://medianet2000.net/amm_prod/image_news_popup/file/fabovimofasojijazukigabu.pdfIn PDF document text
- http://mobil-tech.com/files/12069688504.pdfIn PDF document text
- http://lnimeina.it/userfiles/files/visabasagadomi.pdfIn PDF document text
- http://www.johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/talupevuxuraxi.pdfIn PDF document text
- http://huthamcauquanggiap.com/upload/files/56602329088.pdfIn PDF document text
- https://pecsikult.hu/files/file/vinuteje.pdfIn PDF document text
- http://dogomanhnghia.com/uploads/files/99689665162.pdfIn PDF document text
- http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ee0fd7a339---32135631630.pdfIn PDF document text
- http://momsystem.ru/public/file/torafagekifema.pdfIn PDF document text
- https://dimensionshoppe.com/alpha/ckfinder/userfiles/files/92785077427.pdfIn PDF document text
- http://nhadatv.com/webroot/img/files/jijedoguzajafunarima.pdfIn PDF document text
- http://jszl-rolls.com/filespath/files/20210920050008.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_off0000bc60.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC60 | 18184 bytes |
SHA-256: 147235f27a28e02c329863aa92bd4be81056011b79cf43866a875513920e495f |
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font_01_sfnt_off0000eb33.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB33 | 10624 bytes |
SHA-256: 880fa0fc3fcb94c985c6b924bc9f3fb81252918ec6e118f8d70e2f2d7f5e11c3 |
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font_02_sfnt_off000103c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103C0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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