MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics and an ML classifier as malicious, with ClamAV identifying it as a phishing trojan. The embedded URLs and link farm heuristics indicate a strong focus on directing users to download content, specifically mentioning 'vanced youtube apk free download' in one URL, suggesting a lure for potentially unwanted or malicious software. The use of compromised CMS upload storage and disposable hosting for PDF files further supports a phishing or malware distribution scheme.
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://ketchas.ru/uplcv?utm_term=vanced+youtube+apk+free+download PDF link annotation
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098433557f91---zuzelaxezirufaxasipu.pdfIn PDF document text
- http://dianacb.cz/userfiles/file/18321567199.pdfIn PDF document text
- https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/1p6j2kio9cudhbrqkhoijaf1jq/jabumu.pdfIn PDF document text
- https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/91bamnpopmqc3q6thte1opgcm6/57937618412.pdfIn PDF document text
- http://tokstar.com/_UploadFile/Images/file/83598554310.pdfIn PDF document text
- https://mimpiindah1.com/contents//files/megubuziwarep.pdfIn PDF document text
- http://duancanhotot.com/upload/files/zusewupe.pdfIn PDF document text
- http://www.jindatunnel.com/up_files/file/ganav.pdfIn PDF document text
- https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/vqbb2opt9v212ere7cd6vf4duu/15978769334.pdfIn PDF document text
- https://thetitangroup.ca/wp-content/plugins/super-forms/uploads/php/files/30bb605bfe5875d89efcbfb5cee6040f/surasixapog.pdfIn PDF document text
- http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/160a24f21bfc27---641374302.pdfIn PDF document text
- http://stattus.com/assets/file/40522141522.pdfIn PDF document text
- http://fipjp.com/userfiles/file/detofesafewakifiwifoja.pdfIn PDF document text
- https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/4b1cc9f19aaa52bcc76bafbea5d9c827/69417776906.pdfIn PDF document text
- http://eske.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1608180dc23d5a---vojufuvavavuxexarumix.pdfIn PDF document text
- http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c48254b8bfe---35854399022.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_off0000c5e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC5E0 | 5168 bytes |
SHA-256: aa6c429ad11ad569bd0f821d6a4304fb1b1d565d3894f27cc2deb309b63be6c1 |
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font_01_sfnt_off0000d78f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD78F | 9960 bytes |
SHA-256: f1858c790700872a2af440008dcde04e454e825e3b27eaa11cea96e4f802eafa |
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font_02_sfnt_off0000f992.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF992 | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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