MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with multiple URLs pointing to compromised WordPress sites and disposable hosting, suggesting a phishing or malware distribution scheme. The document body was unreadable, but the presence of numerous external URIs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic strongly suggest the primary purpose is to redirect users to potentially harmful external content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://www.intermediastudios.com.mx/wp-content/plugins/super-forms/uploads/php/files/45283935c775abf6a9af247b8de13449/rimobenusa.pdf In PDF document text
- http://precisao.org/files/files/ludijopexavefokitojaka.pdfIn PDF document text
- http://bannhuaduong.net/upload/files/vomowuwejavogodolo.pdfIn PDF document text
- http://ehoron21.mn/uploads/files/29583374888.pdfIn PDF document text
- http://fourfoods.com/images/files/tokugamevi.pdfIn PDF document text
- https://diedacorporation.net/freesiafiles/file/47599940867.pdfIn PDF document text
- http://asu78.ru/userfiles/file/sumizozoruzoruva.pdfIn PDF document text
- https://pilot-nav.socksnbows.com/ckfinder/userfiles/files/1242347134.pdfIn PDF document text
- https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/1612f87002eee5---bedudetisetasuwozuba.pdfIn PDF document text
- http://ozdesignhouse.com/app/webroot/uploads/files/gapujumojasamuw.pdfIn PDF document text
- http://aligokdemir.com/resimler/files/baweweraromixipagitejuk.pdfIn PDF document text
- http://sage-chem.com/image/files/20210905_160337.pdfIn PDF document text
- https://fobh.net/userfiles/files/vutegaxesa.pdfIn PDF document text
- http://www.farmaciavictoriayjmleon.com/userfiles/files/vowalaxin.pdfIn PDF document text
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/364d9dr8tliea4uh8eii34rrs0/533177187.pdfIn PDF document text
- http://aotwresort.info/ckfinder/userfiles/files/zikafojim.pdfIn PDF document text
- https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/b5f8bbb012d5938ebf8fdfdee00fa2d7/46512874372.pdfIn PDF document text
- https://u15.ch/ckfinder/userfiles/files/gozupifede.pdfIn PDF document text
- https://thinkglobalcompliance.com/ckfinder/userfiles/files/81074793007.pdfIn PDF document text
- http://kimhoatra.com/upload/fckimagesfile/fetubegojiru.pdfIn PDF document text
- https://dijitalsanat.link/upload/files/vokumazurovivexiba.pdfIn PDF document text
- http://webbuilders.com/files/file/26197024367.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=demon+slayer+free+online+moviePDF 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_off0000b0ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB0EF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c901.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC901 | 15776 bytes |
SHA-256: f89d89caa01d2e824a9fc4e4ce927bd26772a62517c61220bed933926205588b |
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font_02_sfnt_off0000f0ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0FF | 10456 bytes |
SHA-256: ba9271702d30ca831ecf6743779e17321955a92aaeb921a1d0c69d6707ba7590 |
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