MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm directing to multiple compromised websites, as indicated by heuristics like PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or distributing further malware. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
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://www.napariverinn.com/wp-content/plugins/super-forms/uploads/php/files/7c7f1f1a6c0efd05a9882c61cb6cc1a9/zimunesegejajajokajuzose.pdf In PDF document text
- http://datavincity.com/uploads/ckfinder/files/megaledutupubujema.pdfIn PDF document text
- http://ackerviewguesthouse.com/userfiles/file/52295693621.pdfIn PDF document text
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/1606f53ee3281f---wodosinelubatexu.pdfIn PDF document text
- http://schokozentrale.de/idata/74708129532.pdfIn PDF document text
- https://an-professional.ru/img/files/file/22513693406.pdfIn PDF document text
- https://najlepsze-w-polsce.pl/uploads/45136930329.pdfIn PDF document text
- https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075d58fda3a9---71354195180.pdfIn PDF document text
- http://pspectr.ru/userfiles/file/bisafanetoxategevetuwat.pdfIn PDF document text
- http://i-p-p-c.com/ckfinder/userfiles/files/vavos.pdfIn PDF document text
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16088ab2b6ab5f---vujilujedugifukuromiweb.pdfIn PDF document text
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d77ed75bbbb---vetigemagubuzox.pdfIn PDF document text
- https://yenhuy.vn/upload/files/83058420798.pdfIn PDF document text
- https://celovechurch.org/wp-content/plugins/super-forms/uploads/php/files/f6bf1129ca66e1d937b7a080e6b5ba65/sonogukunezazedapogupaniz.pdfIn PDF document text
- https://master.plus/wp-content/plugins/super-forms/uploads/php/files/e72f1d6024e0d213a396cf30d3506449/293685727.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/6jsra3vat9o2scgmpm4ej8rlrc/29310363249.pdfIn PDF document text
- https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160dad6141b095---75612356872.pdfIn PDF document text
- http://wagnerfamilyreunion.com/clients/866685/File/46313448647.pdfIn PDF document text
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16076ad5def52d---37201797887.pdfIn PDF document text
- http://aylincinarli.com/fckfiles/file/73371957021.pdfIn PDF document text
- http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606cefdd53243---24636995537.pdfIn PDF document text
- https://www.reflectionuk.com/wp-content/plugins/super-forms/uploads/php/files/1o9e4ie26hj7b575k37fecurnl/90875744088.pdfIn PDF document text
- http://lotusromeo.fr/app/webroot/files/userfiles/files/17500581443.pdfIn PDF document text
- https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/adbf90ed580ac8016ed8599637508099/muxakevozutini.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=prince2+handbook+pdf+downloadPDF 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_off000109af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109AF | 10888 bytes |
SHA-256: 75829c07e9ffade9ecd55df54435fde93b04abab4c9cf4cffaa5442e8387d322 |
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font_01_sfnt_off0001229b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1229B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013aad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13AAD | 17648 bytes |
SHA-256: 51593893433229d617fa6e9c901c6383afe359818a85d5c16a5281b76b1deea3 |
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