MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF is classified as malicious by ML and ClamAV, indicating a phishing or trojan threat. It contains numerous links to compromised websites, likely serving as a link farm to distribute malicious content. The document body, though heavily obfuscated, suggests a lure related to educational materials, specifically "grade 4 math test questions", to entice users to click on the embedded malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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 https://wastran.ru/uplcv?utm_term=grade+4+math+test+questions PDF link annotation
- http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/j8aelr4vbbum6pk3kgmlrntmb4/felatekeredunoze.pdfIn PDF document text
- http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b66d30da520---dipufidedaburofilevunute.pdfIn PDF document text
- https://medicinasolidale.org/wp-content/plugins/super-forms/uploads/php/files/21733bb113d1a6feb34e3e9ea1a58627/5782216770.pdfIn PDF document text
- http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a736a70f201---dozopawajudotobedidado.pdfIn PDF document text
- http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2d818eda2e---65299743726.pdfIn PDF document text
- http://trans-serwis.com/userfiles/file/zoripow.pdfIn PDF document text
- http://almar-bus.pl/userfiles/file/gumekupaj.pdfIn PDF document text
- https://unique.global/wp-content/plugins/super-forms/uploads/php/files/d994a0894ccb64dd17c6e2e7aba2aff6/17084394740.pdfIn PDF document text
- https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/42a3fa03015ff5ae03e9f984c26584f1/27694793153.pdfIn PDF document text
- http://allamericannursing.com/userfiles/file/79958343338.pdfIn PDF document text
- http://piazzademarini3ge.com/userfiles/files/xekozibuterixeg.pdfIn PDF document text
- http://afghansolar.com/userfiles/file/34828743334.pdfIn PDF document text
- https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607f12b2c0a19---fofuxu.pdfIn PDF document text
- https://www.reflectionuk.com/wp-content/plugins/super-forms/uploads/php/files/ucgjl10c6tjsn7ee57t9o3ba5g/78183720599.pdfIn PDF document text
- http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609c5bc285188---vutagoreluj.pdfIn PDF document text
- http://humanitool.ru/userfiles/file/92818259987.pdfIn PDF document text
- https://ludifrance.fr/userfiles/file/57531235690.pdfIn PDF document text
- https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609cb11857054---32783203518.pdfIn PDF document text
- https://ontime-taxi.kg/wp-content/plugins/super-forms/uploads/php/files/83528ec5cc33c97de17c530fa1f5a7f9/josotulumavubimaneteb.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000df53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF53 | 5280 bytes |
SHA-256: 1c1a92596551bd40348ff902ebde5a9c27724a4e9ba4985b5b104abf4262d6b0 |
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font_01_sfnt_off0000f11c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF11C | 10916 bytes |
SHA-256: 008f0073248e7e2a411a7442a1167910c1388b86fd98827258db7b49dc0b5b55 |
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