MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to compromised websites or disposable domains, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly support its malicious nature, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://englandmatchshirts.com/assets/file/79180622162.pdf In PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/c109f6acfa0ec27309f060db45cec45b/simexurisofupu.pdfIn PDF document text
- https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/00551a5058c1bfbaf14d3617890364af/lanomidimovade.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096b60d03512---61919397649.pdfIn PDF document text
- http://gospel-pour-100-voix.com/fichiers/newsletter/file/zibixom.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/veqnccettcbptgsjuaasb73205/sipasebifo.pdfIn PDF document text
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/439ee51fcf6c535bea115aef26cbb58a/dofobedejileduguberawegi.pdfIn PDF document text
- https://mmszke.hu/files/file/87845089729.pdfIn PDF document text
- https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/4ua1gtok51i1krno00co512mi9/gaxaxaloser.pdfIn PDF document text
- https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/eivf95r7ona1fm23fd6jj7jo74/suzaz.pdfIn PDF document text
- https://www.infrascale.com/wp-content/plugins/super-forms/uploads/php/files/5d48a8a6c0e088da48504d7cd68e605e/27991269232.pdfIn PDF document text
- https://webornate.com/viking1/uploads/files/17619053864.pdfIn PDF document text
- https://claphamjunction.com.au/wp-content/plugins/super-forms/uploads/php/files/1b7c55f6e7bac93f3e1857bc2fdd6976/73495759108.pdfIn PDF document text
- http://erdivigado.hu/userkepek/file/90211343708.pdfIn PDF document text
- http://labonscafe.com/userfiles/nulotem.pdfIn PDF document text
- http://manufim.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160a7f94a1f4ac---jibilesopifodanukuf.pdfIn PDF document text
- https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/2be8128b284df6394f806461d3dc0d53/88718820124.pdfIn PDF document text
- https://sanipacific.com/attachment/file/34076329853.pdfIn PDF document text
- http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/160902371c37e2---7655589159.pdfIn PDF document text
- https://stayatrosetta.com/wp-content/plugins/super-forms/uploads/php/files/6e3p9ld55h5l5mjdvf4ek923pd/4931042772.pdfIn PDF document text
- https://cr2tek.com/userfiles/Proj_Name//files/pujudizuraluxujabebajuzer.pdfIn PDF document text
- https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/73s618k4i85ds65nflp92jvpi2/73335427690.pdfIn PDF document text
- https://deniz-sogutma.org/img/userfiles/file/5030452578.pdfIn PDF document text
- http://engroupe.ca/aym_image/files/25704500438.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=data+gathering+procedure+in+researchPDF 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_off0000ec3e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC3E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010455.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10455 | 10848 bytes |
SHA-256: 757581e3fc65248e416b51eb1e6549211771a77fc92e2631b1d4a515804ec47b |
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font_02_sfnt_off00011d1d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D1D | 18072 bytes |
SHA-256: 273f38ec6d07b07157ecb5dec79d28e87fb66b4b89ada87cd570a76e17a7a32e |
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