MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs pointing to compromised CMS uploads and disposable hosting, indicating a link farm designed for SEO manipulation or to distribute malware. The ML classifier and ClamAV detection strongly suggest malicious intent, likely involving exploitation for client execution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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 http://massarentearchitettura.com/userfiles/files/binekolaviworexesorexa.pdf In PDF document text
- http://mtcongnghiepxanh.com/upload/fckimagesfile/rawasutawofirajisol.pdfIn PDF document text
- https://encoyun.com/calisma2/files/uploads/83283367441.pdfIn PDF document text
- http://hysansam.com/fckeditor/userfiles/image/jekifodo.pdfIn PDF document text
- https://hkpefa.org/editor_upload/file/70473677129.pdfIn PDF document text
- http://xn--90aoa5aj.xn--p1ai/ckfinder/userfiles/files/35799283856.pdfIn PDF document text
- http://polins.org/public/userfiles/file/32534092243.pdfIn PDF document text
- https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613349be32a46---ralupozopatozunoza.pdfIn PDF document text
- http://inannamsao.com/uploads/files/63793222385.pdfIn PDF document text
- http://darstin.com/userfiles/files/pejebejoten.pdfIn PDF document text
- https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/92k8hareq256oj6j1c8uri38k7/tupumavojogu.pdfIn PDF document text
- http://novehorizonty.sk/userfiles/file/mukifidozasiwojasirarik.pdfIn PDF document text
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/woraxes.pdfIn PDF document text
- http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613fa6e796012---wisetunufoli.pdfIn PDF document text
- http://midesignvn.com/uploads/files/64120846740.pdfIn PDF document text
- http://topoint.net/userfiles/fckFile/20211011094451.pdfIn PDF document text
- http://morard-mcf.fr/data/Files/nokidopotoz.pdfIn PDF document text
- http://mentor-tutor.com/newGroserLikeProject/uploads/files/welevonotojakovor.pdfIn PDF document text
- https://tapuionoticias.com/ckfinder/files/lemifajajeb.pdfIn PDF document text
- https://abbma.in/admin/uploads/file/18368408159.pdfIn PDF document text
- http://sp3siemianowice.pl/userFiles/files/fobizemanemupadogifuxo.pdfIn PDF document text
- http://techcessgroups.com/userfiles/file/lalidufitoxiduzodudag.pdfIn PDF document text
- http://selfmadefilms.nl/userfiles/files/51442095627.pdfIn PDF document text
- https://feedproxy.google.com/~r/Gsjc/~3/EqozwcbAC44/uplcv?utm_term=document+to+pdf+onlinePDF 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_off0000c918.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC918 | 10452 bytes |
SHA-256: 9f6588cb0c4e64417621c368fcbd8fa47fd8dc0ab6878251941ed89d3fae0d0c |
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font_01_sfnt_off0000e0bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0BC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f8ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8CE | 17404 bytes |
SHA-256: 68906127051f6fff5cb769722fd025496f8eeb0a8e5d5817deba8a3700e301e1 |
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