MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains numerous embedded URLs that point to various domains, many of which appear to be compromised or disposable hosting. Heuristics indicate this is a link farm designed to direct users to potentially malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 https://archism.ru/uplcv?utm_term=harry+potter+sorcerer%27s+stone+game+download PDF link annotation
- http://eurolocal.info/sites/default/files/images/file/57893612710.pdfIn PDF document text
- http://bafiti.com/sklep/userfiles/file/pegoxupatikukizibudefom.pdfIn PDF document text
- https://www.mediawerf.nl/bundles/store24backoffice/ckfinder/userfiles/files/15181800732.pdfIn PDF document text
- https://triptoboloyfoundation.org/editorsfiles/files/vuxilojim.pdfIn PDF document text
- https://rentcar888.com/uploads/files/202109022005008389.pdfIn PDF document text
- http://alda.pl/ckfinder/userfiles/files/21134405953.pdfIn PDF document text
- http://blnk.eu/userfiles/files/46516582760.pdfIn PDF document text
- http://kommunikator.nu/demo/userfiles/file///58803105658.pdfIn PDF document text
- http://pluimveebeurs.com/userfiles/file/rotixupokazedolik.pdfIn PDF document text
- http://www.allatpatikapecs.hu/images/file/38120450993.pdfIn PDF document text
- https://ripedzn.com/app/webroot/files/fckeditor/file/zawev.pdfIn PDF document text
- https://faktxeber.com/resimler/files/vulizeburinexufod.pdfIn PDF document text
- http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130339b36b9f---pabipafozeluxuvotitan.pdfIn PDF document text
- http://nfraccon.org/userfiles/file/68725591650.pdfIn PDF document text
- http://cistenivytahu.cz/upload/file/68516396967.pdfIn PDF document text
- https://hahapediatric.com/uploads/files/202109030203024779.pdfIn PDF document text
- http://sov.tranovice.org/webpagebuilder/ckfinder/userfiles/files/74118359510.pdfIn PDF document text
- https://hbphoto.ca/resimler/files/gadijuvizetuvusojifaju.pdfIn PDF document text
- http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f244b2cdf6---wivivonumasidisuviz.pdfIn PDF document text
- http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/161312e5c4c85d---vepuzadudupudow.pdfIn PDF document text
- https://balajihighfields.in/userfiles/file/5879184676.pdfIn PDF document text
- https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/f80bca061dcef1882c9d988bd6b83053/datuvaxetufi.pdfIn PDF document text
- http://www.cerathai.com/image/upload/File/tesanugor.pdfIn PDF document text
- http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/16137f53b4ebff---rifaz.pdfIn PDF document text
- 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_off0000d146.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD146 | 10988 bytes |
SHA-256: 4ff1ce9c64d55952a082a6cda778f9e3b6aaffef03743ccbfbfcfd112db3f0fe |
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font_01_sfnt_off0000eaaf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAAF | 16936 bytes |
SHA-256: 0cfba6e214074dac18b81a187a3d1ad245f4937189d358b23f5c1a6f9d0fab2b |
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font_02_sfnt_off00011664.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11664 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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