MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document is classified as malicious by ML and ClamAV, indicating a phishing or trojan threat. It contains a link farm pointing to compromised WordPress sites, likely intended to redirect users to malicious content. The document body, though partially garbled, suggests a lure related to children's computer activities, aiming to disguise the malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://infrive.ru/uplcv?utm_term=actividades+de+computacion+para+ni%25C3%25B1os+para+imprimir PDF link annotation
- https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/803a9ca082f387ed645f1349076582bd/28775988047.pdfIn PDF document text
- https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/160b4fc5d66e87---6513084936.pdfIn PDF document text
- http://netinflux.net/userfiles/file/61578752859.pdfIn PDF document text
- https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b801e7ade09---19250581556.pdfIn PDF document text
- https://fonixkoncert.hu/upload/file/gegava.pdfIn PDF document text
- https://noddy.nu/images/file/diguselagijepabokibin.pdfIn PDF document text
- http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608e727c52290---92512382935.pdfIn PDF document text
- https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/dekulbaufffbc5digql6av3r24/lujosututeja.pdfIn PDF document text
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608e2baf80c03---zalogipivurusete.pdfIn PDF document text
- https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a33ce7dff9---meledejoke.pdfIn PDF document text
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/1a574468008c6004726a34e370d7c18b/30356186409.pdfIn PDF document text
- https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608020754bfa4---83222924654.pdfIn PDF document text
- https://baileyelectrical.services/wp-content/plugins/super-forms/uploads/php/files/o552fgo1d5qkgvkep52fmmvfcg/nasuvofobedenibunadipebez.pdfIn PDF document text
- https://altbuket.ru/files/78352119688.pdfIn PDF document text
- https://nhadatonline24h.com/Images_upload/files/78329831754.pdfIn PDF document text
- http://vector-luczak.pl/new/fck_user_files/file/sevolivoduropowune.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ed6d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED6D | 5332 bytes |
SHA-256: 1f7d0feb5dd5f12244e3022a0457496f85c8cbd0d7cc992e8bf7b99fb89feb22 |
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font_01_sfnt_off0000ff28.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF28 | 12072 bytes |
SHA-256: a3a1507f45e6843362326b95453930d3a01dbfa298df2ae6f156864c4800079e |
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font_02_sfnt_off000126a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126A0 | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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