MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution via these 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://oniceh.ru/uplcv?utm_term=aprendizagem+comportamento+linguagem+e+cogni%25C3%25A7%25C3%25A3o+pdf PDF link annotation
- https://cristalensi.com/public/File/97128929786.pdfIn PDF document text
- http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16093c9da4962f---88580714727.pdfIn PDF document text
- http://dush-kz.ru/uploads/fck/file/89105706907.pdfIn PDF document text
- https://autotronics.vn/userfiles/file/sovezagozebulodax.pdfIn PDF document text
- http://jarosi.hu/files/file/19497354143.pdfIn PDF document text
- https://www.properties-thassos.com/wp-content/plugins/super-forms/uploads/php/files/usre864ui942soaujt5t1fdi9f/fekotuzunipe.pdfIn PDF document text
- http://ranaghatpchsschool.org/userfiles/file/wogiraxatolo.pdfIn PDF document text
- https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/niidgk4e38vic6fmkpg3488b8p/55093493062.pdfIn PDF document text
- https://www.zulilighting.com/wp-content/plugins/super-forms/uploads/php/files/05d04ca86ed6fa12196b426faa7faf53/18449421033.pdfIn PDF document text
- https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607fcf3054797---20568691168.pdfIn PDF document text
- http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/7b426b42c27f4221832ff1ae8b669382/63777745674.pdfIn PDF document text
- https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/1f5ec04de4ef9b541bb60213ab57f826/23277637530.pdfIn PDF document text
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16091e337b9502---tolidobipunolejoduxi.pdfIn PDF document text
- http://datavincity.com/uploads/ckfinder/files/63449122210.pdfIn PDF document text
- https://arerp.kr/data/file/%5C/22948162983.pdfIn PDF document text
- https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086c8d7e5498---78393080285.pdfIn PDF document text
- https://davaocarrental.com/images/file/14854548964.pdfIn PDF document text
- https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a9c534de73a---73312490921.pdfIn PDF document text
- http://novichiha.ru/pic/file/34017519574.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_off0000b518.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB518 | 5716 bytes |
SHA-256: c5050df2e9f5cc89b7d0b04a5732733555819da0545734d66ae5a665a51de360 |
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font_01_sfnt_off0000c796.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC796 | 12484 bytes |
SHA-256: fb156ec732d0582176875cf59475f5aded4a3717da8107ea830c1196f5fbae4e |
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font_02_sfnt_off0000ec6e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC6E | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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