MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload storage or are hosted on disposable domains, indicating a link farm designed to distribute malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 https://www.medicalbi.com/ckfinder/userfiles/files/82750679224.pdf In PDF document text
- http://saimiri.name/upload/file/jikotujekolidakigogul.pdfIn PDF document text
- http://innospectrum.eu/hirlevel/file/46286466274.pdfIn PDF document text
- http://akademia-jedenastka.pl/zdjecia/fck/file/7775589290.pdfIn PDF document text
- https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/3af7e2851e6c534e018acea19da3f80b/tujedusif.pdfIn PDF document text
- https://www.abrasco.org.br/ckfinder/userfiles/files/tulotujof.pdfIn PDF document text
- http://jfe.hk/userfiles/bezodazitofoba.pdfIn PDF document text
- https://weilaimachinery.com/userfiles/files/kakelumagigoba.pdfIn PDF document text
- http://www.moyekolodin.com/files/fibofedir.pdfIn PDF document text
- http://mobilni-kadernictvi.cz/files/file/36671670688.pdfIn PDF document text
- https://kristinanamaste.eu/files/1016094834.pdfIn PDF document text
- http://benetalent.com/upload/files/26522187878.pdfIn PDF document text
- http://apexibd.com/uploads/fck_uploads/file/73595533987.pdfIn PDF document text
- http://crmloccitanecr.com/campannas/file/61472877233.pdfIn PDF document text
- http://brilsports.ro/userfiles/file///jezudadelufapalonafib.pdfIn PDF document text
- https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a350121ee07---93286899360.pdfIn PDF document text
- https://arichaindia.com/userfiles/file/zasam.pdfIn PDF document text
- https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/7f0f03c3ee560c4e224268dd85dffd9f/75827897979.pdfIn PDF document text
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160d717694e095---nebekajodowajosujeno.pdfIn PDF document text
- https://sygimportaciones.com/wp-content/plugins/super-forms/uploads/php/files/vu9b0kjufriiq5dqb7h7cf6gq9/musoda.pdfIn PDF document text
- http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16079d5444a119---gotudakat.pdfIn PDF document text
- http://www.canadavisaservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160eca78641b86---93025228586.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=warhammer+40k+space+marines+8th+edition+codex+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_off000112e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112E9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00012afb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AFB | 18604 bytes |
SHA-256: c252a6c9a189a6b33e5bd03e138e61eb04505e6cdc97fca5245654e40a3a6279 |
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font_02_sfnt_off00015ba5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15BA5 | 11436 bytes |
SHA-256: 22889b50fb378076c2f79ebf3c38cd708b68c8c746d8f801e87ef8ce49bf3158 |
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