MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload storage or disposable hosting, indicating a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 6
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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 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://confeccionesruiz.cl/UserFiles/File/mudiga.pdf In PDF document text
- https://alves.bg/ckfinder/userfiles/files/34224603359.pdfIn PDF document text
- http://studio-orlandini.com/userfiles/files/960783942.pdfIn PDF document text
- http://www.medic-pneumolog.ro/fisiere/file/kipomigebov.pdfIn PDF document text
- http://kukubara.com/zdjecia/file/juzuteze.pdfIn PDF document text
- http://jyjwqj.com/uploadfile/file///2021090406173520.pdfIn PDF document text
- http://tdybio.com/uploadfile/file///2021100508025826.pdfIn PDF document text
- http://odontotecnicacoop.it/userfiles/file/70233078743.pdfIn PDF document text
- http://taeguektour.com/FileData/ckfinder/files/20210925_54B839814D03BAA7.pdfIn PDF document text
- https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1615cf23c6c428---topubixaweja.pdfIn PDF document text
- https://www.mds-horizons.com/upload/files/kivowemuza.pdfIn PDF document text
- http://basse-normandie.annuaire-regional.com/ckfinder/userfiles/files/xufoxowadolifiwuvu.pdfIn PDF document text
- https://thinkglobalcompliance.com/ckfinder/userfiles/files/1827865239.pdfIn PDF document text
- https://safecampus.in/cmsCart/upload/file/dunifusisavomo.pdfIn PDF document text
- http://uptownfallschurch.com/uploads/files/10172178623.pdfIn PDF document text
- http://tungalag.mn/userfiles/files/99537430012.pdfIn PDF document text
- http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1613b05ee7aeac---sopamemejivubepo.pdfIn PDF document text
- https://restavracia02.com/userfiles/file/48961712359.pdfIn PDF document text
- http://119pump.net/d/files/13302493808.pdfIn PDF document text
- http://ivankrivanek.com/userfiles/file/bivafuged.pdfIn PDF document text
- https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/16148faf75603d---73270701386.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=is+north+pole+capitalizedPDF 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_off0000e357.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE357 | 19700 bytes |
SHA-256: 6cfb58503b4d56750e65f5f4fef3260551c31760dc840c44c7c5cb0ae9932679 |
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font_01_sfnt_off000115dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115DD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012df4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DF4 | 10620 bytes |
SHA-256: d65c6785b63bb31bc14cd1f3a741d3c0d64cb41e837f94c3715a186ea5e1306a |
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