MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a significant number of external links, with some pointing to disposable hosting, suggesting a link farm or phishing operation. The primary URL, https://vilenefex.ru/award?keyword=html+to+pdf+php+using+mpdf, is likely part of this scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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://vilenefex.ru/award?keyword=html+to+pdf+php+using+mpdf PDF link annotation
- http://suboxobuwofum.iblogger.org/56949616567.pdfIn PDF document text
- https://jinikegubu.weebly.com/uploads/1/3/4/8/134873825/fisezapajufi_noxifubutez_wudizuti_rewakozulebe.pdfIn PDF document text
- http://devuweza.scienceontheweb.net/harsh_mohan_textbook_of_pathology_8th_edition_download.pdfIn PDF document text
- http://durebemidiges.getenjoyment.net/luwomugewo.pdfIn PDF document text
- https://lowezikalazana.weebly.com/uploads/1/3/0/9/130969016/c0e8083d7.pdfIn PDF document text
- https://renixopofofof.weebly.com/uploads/1/3/4/4/134486295/kufikul.pdfIn PDF document text
- https://xitititoludazo.weebly.com/uploads/1/3/5/9/135987602/3686267.pdfIn PDF document text
- http://zumewidife.mygamesonline.org/nowafukikedix.pdfIn PDF document text
- https://simiwulizolur.weebly.com/uploads/1/3/1/4/131455232/e5ad61a515b60b.pdfIn PDF document text
- https://sipigatijuk.weebly.com/uploads/1/3/3/9/133999294/4555942.pdfIn PDF document text
- https://jebigifapiw.weebly.com/uploads/1/3/1/3/131379276/weripa_setute_wadare.pdfIn PDF document text
- http://juzisil.22web.org/love_hurts_quotes_in_tamil.pdfIn PDF document text
- http://saxosoxajivovud.medianewsonline.com/repitane.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://53860ffb-5975-4088-b838-5c82367c2827.filesusr.com/ugd/0d2908_a879c6f09cb74d67bb280744afb3b010.pdf?index=trueIn PDF document text
- https://6fc76513-a17a-4053-940d-bef108f5ea85.filesusr.com/ugd/3a5ef0_e5326b0cead54f84a9aac21b780cd1f3.pdf?index=trueIn PDF document text
- http://tizexazebubo.atwebpages.com/lesuf.pdfIn PDF document text
- http://kawisud.rf.gd/ribonifixubamaju.pdfIn PDF document text
- http://fudewisukot.rf.gd/methods_of_data_collection_in_qualitative_research.pdfIn PDF document text
- http://ralivapoked.epizy.com/detinelurutilivitowaxipev.pdfIn PDF document text
- http://rotitow.rf.gd/angular_4_material_design_admin_template_free.pdfIn PDF document text
- https://e49cd12a-7e53-4a25-9f98-ae37b5ff2e44.filesusr.com/ugd/35dc59_a4e9988c2bc4462ab0cb014ea6ecc962.pdf?index=trueIn PDF document text
- https://7915398d-c9c2-4241-abdb-40cf742e4b8d.filesusr.com/ugd/d4df0f_11a0e60812e847b8ba4a1699aa071c58.pdf?index=trueIn PDF document text
- https://30383b9b-b26a-44f4-9a26-03873af8f03c.filesusr.com/ugd/fdee49_344b4413bdbc48d397767314c42d5934.pdf?index=trueIn PDF document text
- http://wupubew.epizy.com/electronics_training_online_free.pdfIn 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_off0000f410.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF410 | 5112 bytes |
SHA-256: fbb297e28694ed0870d9697cb53a7462957892df0ac7ed41206ed1aba061eb87 |
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font_01_sfnt_off00010555.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10555 | 10608 bytes |
SHA-256: f73cea6e6e08b82b95851fa285b1a4af9e5dd944ae486dea18ee30fa624531bf |
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