MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised or disposable hosting. Heuristics indicate this is a link farm designed to redirect users, with a high ML confidence score and ClamAV detection confirming malicious intent. The primary purpose appears to be directing users to potentially malicious content or phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://www.monts.sk/upload_images/file/nivajisu.pdf In PDF document text
- http://dobraukraina.org/sites/all/sites/dobraukraina.org/files/wigakofopi.pdfIn PDF document text
- http://velapower.com/glwh/UploadFile/file/2021090903030073499.pdfIn PDF document text
- https://healthlantern.com/ckeditor/ckfinder/userfiles/files/28711361052.pdfIn PDF document text
- http://lpxs168.com/filespath/files/20210901161131.pdfIn PDF document text
- http://barcelonahotel.vn/UpLoadFile/file/31941926836.pdfIn PDF document text
- http://satisfytech.com/ck/upload/files/wepibumopaxetipe.pdfIn PDF document text
- http://czyxchem.com/upload/files/3936234330.pdfIn PDF document text
- https://doanhnghiepvietnam.org/img_duhoc/files/95104255499.pdfIn PDF document text
- http://pronobile.com/catalog/file/tukidazifu.pdfIn PDF document text
- http://dogable.de/userfiles/file/vefaturefunurevafum.pdfIn PDF document text
- https://pchome.uzai.ca/upload/files/kesekemupusawunef.pdfIn PDF document text
- http://mcutech.net/files/51062460129.pdfIn PDF document text
- https://brigitte-farner.ch/userfiles/files/dijojifebilefotozolexuj.pdfIn PDF document text
- http://mwbright.com/upload_fck/file/2021-9-2/20210902231712581442.pdfIn PDF document text
- https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613356267d735---pekuzujaxekarejofogin.pdfIn PDF document text
- https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fc1f4605d8---kizujirafarixezixaje.pdfIn PDF document text
- https://chaletsuenodesol.de/files/kesijusorumikisabarip.pdfIn PDF document text
- http://stylekd.ru/files/kewosadifexewuvuf.pdfIn PDF document text
- https://bnbtravels.com/ckfinder/userfiles/files/zotosopuj.pdfIn PDF document text
- http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613d42a0b00e4---jeribulafo.pdfIn PDF document text
- http://aow.infogestnet.it/ckfinder/userfiles/files/74009138742.pdfIn PDF document text
- http://buydecor.ru/uploads/files/velanolupiwakuwugiruxutof.pdfIn PDF document text
- http://oasis-inwaste.asia/files/file/7427768420.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=film+sylvester+stallone+escape+planPDF 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_off000107b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107B5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011fcc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FCC | 10692 bytes |
SHA-256: 1d8e6e425f8745945b1556a989ea560de965f9b44f967703d5c4daec2699934b |
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font_02_sfnt_off00013850.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13850 | 19256 bytes |
SHA-256: 97a1c8d1040cce136d2c800282b0d37028b3080c019633f5d3eea5a5cf581487 |
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