MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to multiple compromised WordPress sites, which in turn host other PDF files. This pattern is indicative of SEO poisoning or a phishing campaign designed to lure victims to malicious content. The ML classifier and ClamAV detection strongly support the malicious nature of this file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://smwebtechnology.com/arishayurveda.com/userfiles/file/mubapurok.pdf In PDF document text
- https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/161434aa1dfdac---zulifuzu.pdfIn PDF document text
- http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1613238c448149---24004218149.pdfIn PDF document text
- http://andreaslasnik.com/data/files/revijo.pdfIn PDF document text
- https://iringmalaysia.com/ckfinder/userfiles/files/sewavefasepunusigovusoro.pdfIn PDF document text
- http://iphonedown.com/ckfinder/userfiles/files/59260242718.pdfIn PDF document text
- http://fskyok.com/uploadfile/files/sogedixowebuforolulisata.pdfIn PDF document text
- https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143b962cbda3---63734586481.pdfIn PDF document text
- http://balmybnb.com/t/tutorfirm/uploads/ck/files/wulefivazimeg.pdfIn PDF document text
- https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/duqnne210s6p7fj692ap8me83j/99890594176.pdfIn PDF document text
- https://derechosenred.org/aym_image/files/27089472814.pdfIn PDF document text
- http://x-site.by/upload/editor/files/kawekavi.pdfIn PDF document text
- http://jualumnitoronto.com/editor/uploadfiles/17020670475.pdfIn PDF document text
- https://alcoquimicos.com/ckfinder/userfiles/files/zomurepijexamemi.pdfIn PDF document text
- http://lawyergz.net/uploadfile/files/bosapuzamuxubu.pdfIn PDF document text
- http://amoy-art.com/Upload/file/dazelinenaletozaduvukome.pdfIn PDF document text
- https://mosconi.net/userfiles/file/tatidatisosegifi.pdfIn PDF document text
- http://nwatchonline.net/userfiles/file/xofobekelonumusajogugazi.pdfIn PDF document text
- http://nena-artspace.com/ckfinder/userfiles/files/27410532527.pdfIn PDF document text
- http://ros-audit.com/i/up/file/lugawubinujowupanubizur.pdfIn PDF document text
- http://vivo-mebel.ru/upload/file/xisasexuvokesuja.pdfIn PDF document text
- http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1612f8d9ae4bbf---lutijonekin.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=how+to+set+different+notification+sounds+for+different+apps+androidPDF 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_off0000c8b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8B4 | 18532 bytes |
SHA-256: 55fa9d57a897fb056ed3e5dbbef2d6ceebda5075bd12869386587e3f88e4c654 |
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font_01_sfnt_off0000f960.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF960 | 10744 bytes |
SHA-256: 324bf2f9627cbf719e4e80bed5d85a59a7e54a666fe6c48b10a14ea9e1ef1b01 |
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font_02_sfnt_off00011242.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11242 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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