MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs pointing to a variety of domains, many of which appear to be compromised or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a link farm structure, and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' suggests these links are hosted on compromised content management systems. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware delivery through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://kaitosushisb.com/uploads/files/munakasa.pdf In PDF document text
- https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/04001755de5154a71138fb362ee756bb/60652215325.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/16096750264169---buviwikaxababeze.pdfIn PDF document text
- https://ever-progress.com/upload/files/tozoxaxepegofusavalazov.pdfIn PDF document text
- http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099f21025654---31863971893.pdfIn PDF document text
- https://marbellamohali.com/wp-content/plugins/super-forms/uploads/php/files/cedbe90af6f6190591ede2fe8e2a1a30/73251556118.pdfIn PDF document text
- http://araonline.hu/uploads/file/96237269711.pdfIn PDF document text
- https://davebakeragency.com/wp-content/plugins/super-forms/uploads/php/files/d86796bdb585ee013de0da7d09805859/73878733034.pdfIn PDF document text
- http://zonazero.es/userfiles/file/2693059952.pdfIn PDF document text
- http://heureka-cz.eu/files/59431139371.pdfIn PDF document text
- https://www.kunapak.com/wp-content/plugins/super-forms/uploads/php/files/u10t8bmqc9ngevee30qo5k42hq/madotolaxug.pdfIn PDF document text
- http://africansafaris-spain.com/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/pazatage.pdfIn PDF document text
- https://autotrilogy.com/wp-content/plugins/super-forms/uploads/php/files/c864a1815a133b1563544f5fe4edacff/besupimokalifamusa.pdfIn PDF document text
- http://juha.be/_files/file/55864128837.pdfIn PDF document text
- https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/160973cef6d699---26230142790.pdfIn PDF document text
- https://khangle.vn/uploads/images/files/wolawulosumede.pdfIn PDF document text
- http://marasintl.com/public/ckfinderuploads/files/xorujofovu.pdfIn PDF document text
- http://bettaletroom.com/file_media/file_image/file/51933611980.pdfIn PDF document text
- http://palami.by/images/file/15517493330.pdfIn PDF document text
- https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/3e432fada3631ebb29c6477bfff464fd/50415457378.pdfIn PDF document text
- http://premium-h.info/files/files/doremifijexopejojapuf.pdfIn PDF document text
- https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/mnbkcc4bio3f74fj9uc27pk92t/fuxegefawiwuxamaxuralun.pdfIn PDF document text
- https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/0d53a282bdcb32fbcd18d8718317e126/vexusifelob.pdfIn PDF document text
- https://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/c01acdc893cdf10c137e94f63d718273/bovege.pdfIn PDF document text
- https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607146c8b2adc---nigewofafobudugik.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=how+to+attach+pdf+file+in+emailPDF 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_off0000f07a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF07A | 17012 bytes |
SHA-256: ee7bdc11f531376fc211c6f0b7b81f8d74c78e1d84d6679f2ce0808bb508f1bd |
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font_01_sfnt_off00011d0c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D0C | 10692 bytes |
SHA-256: cdde52e75b52822b6e981edd7744c7931e5d8206eea3d6e5be751c2a84948b37 |
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font_02_sfnt_off00013560.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13560 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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