MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting, characteristic of a link farm used to obscure the final destination. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, suggesting the document's primary purpose is to redirect users through a chain of links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 http://mskabel.cz/UserFiles/File/65873331142.pdf In PDF document text
- https://livre-d-art.com/ckfinder/userfiles/files/52749415251.pdfIn PDF document text
- https://activepymes.com/pub/file/faravetowadimikokisalu.pdfIn PDF document text
- https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a4719f12220---ruganipodun.pdfIn PDF document text
- http://st-johnson.com/Uploadfiles/files/93371091055.pdfIn PDF document text
- https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d1c05c723cc---96220116677.pdfIn PDF document text
- https://kurek-rowery.pl/user_pict/file/sagaxus.pdfIn PDF document text
- http://studioingegneriavaragnolo.com/userfiles/files/12663666938.pdfIn PDF document text
- http://marymo.ru/uploads/files/dukinegidojasager.pdfIn PDF document text
- https://www.hinogas.com/wp-content/plugins/super-forms/uploads/php/files/stl059nen14fpibqhhv2h5h883/tumur.pdfIn PDF document text
- http://elitvorota.ru/f/file/tuwuvejimoba.pdfIn PDF document text
- http://jljemc.com/upload/files/98074743222.pdfIn PDF document text
- https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/b1aed26fae0a1ffddc0f7159710e0943/ximofikuvezibixamuvap.pdfIn PDF document text
- https://kurtoglumob.com/upload/file/zijapexoxori.pdfIn PDF document text
- http://eprdel.cz/userfiles/file/mikoto.pdfIn PDF document text
- http://delve-cr.com/uploads/89070783117.pdfIn PDF document text
- https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ef3dd48d5f---lebosujibezujumipi.pdfIn PDF document text
- https://sluganarodu.org/userfiles/files/zekirozejesi.pdfIn PDF document text
- https://galerie-louise.be/userfiles/files/21866988696.pdfIn PDF document text
- http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607076627119d---84924126580.pdfIn PDF document text
- https://cedria.es/DOCUMENTS/FotosFCKEditor/file/87656935035.pdfIn PDF document text
- http://www.superior-inkjet.com/login/ckfinder/userfiles/files/gujotaginorow.pdfIn PDF document text
- http://addon-colsman.somantec.net/ckfinder/userfiles/files/fudovizake.pdfIn PDF document text
- http://elijahlaurabishopblack.com/clients/b/be/bed082b287f5bb70db4763ab929fc18a/File/wisanomejemejulimikini.pdfIn PDF document text
- http://rustproofingottawa.com/userfiles/file/nevepeferifowo.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=glucosa+valores+normales+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_off0000b61a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB61A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ce31.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE31 | 10796 bytes |
SHA-256: fee212c3fd4141818c92384c3f03c1d3934680a57ce452bb07442c6043cf57f2 |
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font_02_sfnt_off0000e71a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE71A | 15996 bytes |
SHA-256: 2b6fdc98e228faa205325415e5ccbf8e56f23a0344fa34b5b8442eece30676e0 |
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