MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, hosting numerous URLs on compromised or disposable domains, designed to redirect users to potentially harmful content. The PDF structure and embedded links strongly suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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://epos.nu/ckfinder/userfiles/files/80589298998.pdf In PDF document text
- https://irrisyst.eu/files/file/xujudi.pdfIn PDF document text
- https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/161169c79f1e2e---72725130618.pdfIn PDF document text
- https://podereilmontaleo.it/writable/public/userfiles/file/86966276169.pdfIn PDF document text
- http://bhttourist.com/upload/fckimagesfile/zerogu.pdfIn PDF document text
- https://www.dooleysnaturalgas.com/ckfinder/userfiles/files/91208686281.pdfIn PDF document text
- http://seoulmenu.com/uploads/files/nofutukixorato.pdfIn PDF document text
- http://www.zopfitravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a9c034d295---buvuvibix.pdfIn PDF document text
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073221fd7977---wamanovis.pdfIn PDF document text
- http://rivebistro.net/ckfinder/userfiles/files/9482884249.pdfIn PDF document text
- https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/9nlrjg0fdc952tr0msb1epvdh1/11201071985.pdfIn PDF document text
- https://emmaushuis.org/pages/nilesuvafifepa.pdfIn PDF document text
- http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608021b4ec863---30321956542.pdfIn PDF document text
- https://ht-cooling-j3t.com/contents//files/68797662941.pdfIn PDF document text
- https://samoinstitute.mn/uploads/assets/file/33180922789.pdfIn PDF document text
- http://astmasme.com/userData/board/file/64247662150.pdfIn PDF document text
- http://ntouioc.ntou.edu.tw/ckfinder/userfiles/files/45950858521.pdfIn PDF document text
- http://gucaoyun.com/uploads/file/022127496205.pdfIn PDF document text
- http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/16082d6835942e---87589182729.pdfIn PDF document text
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0682b8dd94---49013204997.pdfIn PDF document text
- http://ggmtc.net/userfiles/files/37843631891.pdfIn PDF document text
- http://mg001.cn/upload_fck/file/2021-5-10/20210510150214622142.pdfIn PDF document text
- http://neza.cz/UserFiles/File/62701025069.pdfIn PDF document text
- http://ydtmuhendislik.com/ckfinder/userfiles/files/tenerit.pdfIn PDF document text
- https://deltarents.com/upload/ckfinder/files/sisorofasulivamuwudut.pdfIn PDF document text
- http://thm-holding.ru/wp-content/plugins/super-forms/uploads/php/files/d87efa3fda8dda5dc15cc4db600be218/33236396694.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=dispositivos+de+salida+de+una+computadora+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_off0000d1ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1EF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ea01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA01 | 17788 bytes |
SHA-256: dde7395ae25eb417b4b3e4338d3f7fde0966605831823c677d80b5b672a466e0 |
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font_02_sfnt_off0001171a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1171A | 10948 bytes |
SHA-256: 556f79cf50691f4a68ece9df3195bcd16da24b97d076dee8d55cb54238d1b555 |
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