MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous links to external websites, many hosted on compromised WordPress sites or disposable domains, suggesting a link farm designed to redirect users to malicious content. The document body, though heavily obfuscated, contains metadata related to its creation, but no direct textual lure is discernible.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://ketchas.ru/uplcv?utm_term=vienna+billy+joel+sheet+music+pdf PDF link annotation
- https://yenhuy.vn/upload/files/76309050227.pdfIn PDF document text
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fb4aff148c---7075860172.pdfIn PDF document text
- http://banghaija.com/userfiles/file/dubefubufegidanepive.pdfIn PDF document text
- https://prosegik.com/wp-content/plugins/super-forms/uploads/php/files/efc7905a78ec3e7ecc8c1a38f5f15e83/josumitajela.pdfIn PDF document text
- https://xuantruongtech.com/images/ckeditor/files/nizen.pdfIn PDF document text
- https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/1f35486d5d0930e7442fcd057c2e1bd1/96376082259.pdfIn PDF document text
- http://barcelonasixtytwo.com/userfiles/file/xibimeduwodiriwokabam.pdfIn PDF document text
- https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/j070u33o0a2n5n4dbtb6vh5lbb/xoxunerovegolaruko.pdfIn PDF document text
- http://lumieretvie.com/userfiles/file/92449269659.pdfIn PDF document text
- http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/160a6abe289080---27975507285.pdfIn PDF document text
- http://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c4cd68d9a8---darade.pdfIn PDF document text
- https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/16085a6e085b2e---82067040042.pdfIn PDF document text
- http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/340b882d3840735c523c5bb7f4a60f04/45862070045.pdfIn PDF document text
- http://bjbtrh.com/files/pic/file/sunozazaxeja.pdfIn PDF document text
- https://rebates.forex/wp-content/plugins/super-forms/uploads/php/files/0v27d748fq484717rnckicr9i1/27350322383.pdfIn PDF document text
- http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078eb6356868---99398539169.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f2ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2CA | 5464 bytes |
SHA-256: 4b193732554cbacd145bc925ea514b883bde221c3862cf520f6483bf53a7cead |
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font_01_sfnt_off0001053e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1053E | 11904 bytes |
SHA-256: 217b354b174d02f85aa6376c9e8eac92a9b8501ac6ac9f6bac17f72b565abae5 |
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font_02_sfnt_off00012e1a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E1A | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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