MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of links pointing to various websites, many of which are hosted on compromised CMS platforms. This behavior is indicative of a link farm designed to distribute malicious content or phish for credentials. The ClamAV detection and ML classifier further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9746
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://40parables.com/wp-content/plugins/super-forms/uploads/php/files/a79b56dacf4d9347a6ea2abdc09bc82f/90583390424.pdf In PDF document text
- http://pronobile.de/catalog/file/kofugiwepadakoli.pdfIn PDF document text
- https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/d6t61bbu21kdbr5hpg68hphvh9/xudisasazetawimowo.pdfIn PDF document text
- http://koreaseals.com/ckfinder/userfiles/files/18499970764.pdfIn PDF document text
- https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afa40be4222---3526065832.pdfIn PDF document text
- http://stylist.in.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1609c81199a1c2---tuzafebedoxulelin.pdfIn PDF document text
- https://xn--fct8ml6mwue.tw/uploads/files/40780348711.pdfIn PDF document text
- https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/joph7sckrpb51udabhfjhhiknj/4295704652.pdfIn PDF document text
- https://europeancustomtailor.com/wp-content/plugins/super-forms/uploads/php/files/0b40410909c3256666302f8b867f0f00/nexagun.pdfIn PDF document text
- http://tmfconnected.com/clients/6/67/67cd703e63b47da0cba1438f70967d25/File/47134823455.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/vf77jbrtabbem2tlibbrinn44c/86830822387.pdfIn PDF document text
- http://samuiluxurytravel.com/Uploads/file/26073291225.pdfIn PDF document text
- http://drkoopman.nl/cmsimages/file/36712524164.pdfIn PDF document text
- http://citescolairedeledit.com/include/file/nosolazivid.pdfIn PDF document text
- http://www.cddfct.com/up_files/file/vivopinalusukegetipo.pdfIn PDF document text
- https://olgunbey.com/upload/ckfinder/files/gadudixugoge.pdfIn PDF document text
- http://websurin.net/UserFiles/File/29865429504.pdfIn PDF document text
- http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b8902f2be5d---ruwenotuf.pdfIn PDF document text
- https://masterpieces-mallorca.com/wp-content/plugins/super-forms/uploads/php/files/ca5cd4ff369522a60e8f5e4e1ab16151/fivuvi.pdfIn PDF document text
- https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/86213a483d2b91fca6f2defe5573cac4/45171202499.pdfIn PDF document text
- http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609e47987c037---55181177659.pdfIn PDF document text
- https://www.dartmusicfestival.co.uk/wp-content/plugins/super-forms/uploads/php/files/332361532b954cc146135a8839b8e0e3/53215662481.pdfIn PDF document text
- http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16074b6141e3ae---jukenuju.pdfIn PDF document text
- https://art-eria.pl/mandarynka/pliki/files/zubarimudetopabufomadino.pdfIn PDF document text
- https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/2djtc97jcs6oeag2pahlmnhbai/jivemanesala.pdfIn PDF document text
- http://rapabzenec.cz/obrazky/files/51451522072.pdfIn PDF document text
- http://lyzebrno.cz/userfiles/file/xelojawizuva.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=rock+the+cradle+meaningPDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e9e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9E4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000101fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101FB | 10784 bytes |
SHA-256: d2d824991372962aca1f030174276348287e2380bfd7d8a2b9cfdfaf42f7025e |
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font_02_sfnt_off00011a6d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A6D | 17416 bytes |
SHA-256: a6bccf90cb04301157334b5960296bb2e9ab69511e5485007f6c182935e51f2b |
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font_03_sfnt_off0001480b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1480B | 16252 bytes |
SHA-256: bfc7ce51a1a9b37382af61f0075eb0cdb972126da031002d338643432d80e6e4 |
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