MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by ML classifiers and ClamAV as malicious. It contains a link farm pointing to multiple compromised WordPress upload directories and other disposable hosting domains, suggesting an attempt to obscure the ultimate destination. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a deliberate effort to create a network of links, likely to evade detection and distribute malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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 http://brkvinc.com/userfiles/file/wupoju.pdf In PDF document text
- http://mhzsolutionz.com/userfiles/file/31218545239.pdfIn PDF document text
- https://bepxuyenviet.com/upload/files/levuvezemape.pdfIn PDF document text
- https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/74b2627a2565caa5bb903a1a836c4146/mudasawiridajolemub.pdfIn PDF document text
- http://www.tobywells.org/media/fckdir/file/favawus.pdfIn PDF document text
- https://ciela13.leaddeehub.com/userfiles/files/nirewitawujef.pdfIn PDF document text
- http://boldogelet.hu/media/45121548104.pdfIn PDF document text
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613706ef6c835---fuvatipeboret.pdfIn PDF document text
- http://phuongdonggolf.vn/app/webroot/uploads/files/levej.pdfIn PDF document text
- http://studiotipaldo.com/userfiles/files/sunokobedologiruvimul.pdfIn PDF document text
- http://cellesekorea.com/ckupload/files/37373717514.pdfIn PDF document text
- http://cmorshomecareassociates.org/uploaded_files/userfiles/files/govanabuwuduluz.pdfIn PDF document text
- https://csodamalom.hu/files/files/vixiwezeserib.pdfIn PDF document text
- https://lapalettedesarts.fr/gestion/file/talikiruvilenavalod.pdfIn PDF document text
- http://abwingstop.com/uploads/files/24335420917.pdfIn PDF document text
- https://drosamahetta.com/userfiles/file/vefilivopo.pdfIn PDF document text
- http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16144e55771f2f---46170586268.pdfIn PDF document text
- https://portalbime.com/UploadedFiles/New/file/jaxawefofebatubowixuxa.pdfIn PDF document text
- http://coachhouse.info/assets/file/99950271353.pdfIn PDF document text
- http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141fb7f6f33d---1961987633.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=warriors+omen+of+the+stars+book+2+pdfPDF link annotation
- 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_off0000d726.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD726 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ef38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF38 | 18372 bytes |
SHA-256: 52de1d8d7ece82ed4d9f106ead23ceb7bcf1482ccb3648e200315f08d303dc61 |
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font_02_sfnt_off00011f0e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F0E | 11060 bytes |
SHA-256: 3e3845195147bbaa2c9b968803655582ba0e7a43489f0be8252696bec770cfa2 |
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