MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many of which are hosted on disposable domains or compromised CMS upload directories, indicating a link farm or phishing lure. The ML classifier and ClamAV detection strongly suggest malicious intent. Although no scripts were explicitly extracted, the PDF structure and heuristic firings point towards a malicious document designed to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b9d1786bf4---mofurexuku.pdf In PDF document text
- http://mexvp.com/ckfinder/userfiles/files/mituzivodurasotibomawo.pdfIn PDF document text
- https://farmacieitaliane.com/documenti/file/34125724570.pdfIn PDF document text
- http://scandirent-new.ru/uploads/assets/file/73393137064.pdfIn PDF document text
- https://kibledergisi.net/resimler/files/liwebuvezodekutumux.pdfIn PDF document text
- http://99hospitalitygroup.com/ckfinder/userfiles/files/fuzaxidaxux.pdfIn PDF document text
- http://www.skk.com.hk/admin/ckfinder/userfiles/files/tipadojal.pdfIn PDF document text
- http://aklond.com/UploadFilesfile///2021060210150633.pdfIn PDF document text
- http://9meclinic.com/ckfinder/userfiles/files/74838302539.pdfIn PDF document text
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b78873524d7---55501846869.pdfIn PDF document text
- http://cinstech-inspect-survey.com/fckeditor_userfiles/file/riwedanelavuwiwulok.pdfIn PDF document text
- http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086e18faa886---vusabusumudonimodepaz.pdfIn PDF document text
- http://ankurgroups.com/userfiles/file/98375397390.pdfIn PDF document text
- http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071b9705f1dd---zakux.pdfIn PDF document text
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/o39kol2mspp2vitcijn7bhg0u6/98072680667.pdfIn PDF document text
- https://udruga-invalida.hr/files/98664425002.pdfIn PDF document text
- http://grimastone.ru/files/zofuganikobume.pdfIn PDF document text
- http://hitecds.com/userfiles/file/ronafozuruji.pdfIn PDF document text
- http://kleni.cz/userfiles/file/jufijidunepigaw.pdfIn PDF document text
- http://chnli.tw/CKEdit/upload/files/57327993558.pdfIn PDF document text
- https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/1fab8b5f4ec3613391b89c401926d716/lurofiwogakojuvizir.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=solution+manual+engineering+mechanics+dynamicsPDF 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_off0000dda1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDA1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f5b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5B3 | 16172 bytes |
SHA-256: b6a05a216e8c1a491ba2de79dd5f7331cd46c4b9ecd94690f62d95bd66d2e7b9 |
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font_02_sfnt_off00011fb1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FB1 | 11104 bytes |
SHA-256: c42be28331f262980028cc943912f95c15551a0dbfc4a098c25f7433d7e80ebc |
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