MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links to external websites, many of which appear to be hosted on compromised WordPress installations, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the overall structure indicate an attempt to distribute malware or conduct phishing operations.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://crewmak.ru/uplcv?utm_term=how+to+start+teaching+english+grammar+for+beginners PDF link annotation
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cdf0ce107b.pdfIn PDF document text
- https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/dee6aae99d772d924726f6a51d032cfb/26432076118.pdfIn PDF document text
- https://djhelaly.com/wp-content/plugins/super-forms/uploads/php/files/c7532061146eb660d9a8201123306e8a/neloxivomujofa.pdfIn PDF document text
- http://www.goldenlantern.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16073f4a76c403---85297495330.pdfIn PDF document text
- https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ae6f020fc28---43539540964.pdfIn PDF document text
- http://www.communityheroesproject.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ee1042482e0---39733081110.pdfIn PDF document text
- http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/1606d821ac55ba---11635031873.pdfIn PDF document text
- https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098da312a4f8---lepazuneba.pdfIn PDF document text
- https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ace7db74bb---godekoraxatasur.pdfIn PDF document text
- http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a234714833e---52780602740.pdfIn PDF document text
- http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160a621d319b9d---ligozakusiramoxa.pdfIn PDF document text
- http://sheeld.org/clients/d/d0/d021426cee8527c21a172be12ef3d645/File/14005141481.pdfIn PDF document text
- http://aivieksteslaivas.lv/userfiles/file/62320858326.pdfIn PDF document text
- https://hzautomatisering.nl/userfiles/file/92633621984.pdfIn PDF document text
- https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/8mpfkjnaouevpgpjkdqqrnenpc/dawulekefipixure.pdfIn PDF document text
- http://gleneaglehoa.org/images/file/nawodofopativez.pdfIn PDF document text
- https://ekaplast.site/admin/ckfinder/userfiles/files/zidaxajenikup.pdfIn PDF document text
- http://biancoacolori.it/userfiles/files/gekavebakiketumegenaxilu.pdfIn PDF document text
- http://pensjonatagat.pl/userfiles/file/926139157.pdfIn PDF document text
- http://ecogestval.com/userfiles/file/tiboxixakidoniwisajas.pdfIn PDF document text
- http://cdn.eagle.mn/uploads/userfiles/files/rojepezitixetorajepag.pdfIn PDF document text
- http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607b8f33245b1---fowonopakel.pdfIn PDF document text
- https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098c03182c42---83742187021.pdfIn PDF document text
- https://etadelloro.it/images/file/73401832558.pdfIn PDF document text
- 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_off0000f669.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF669 | 11000 bytes |
SHA-256: 0e1b85e7885e4497743c5d0e0c9d8232a7a2b37e5d298d857c43ce47dc084b88 |
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font_01_sfnt_off00010fcd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FCD | 16972 bytes |
SHA-256: 0f9c4a067fc652bd9b55c60d6b5594540650a16d77f14047d714f9094ab5bfb0 |
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font_02_sfnt_off00013bef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13BEF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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