MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics, including a critical alert for linking to known malicious redirector infrastructure. The embedded link directs to 'https://dafemum.ru/strik?utm_term=what+is+a+present+perfect+verb+tense', which is likely part of a phishing or scam campaign. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 5
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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 links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://dafemum.ru/strik?utm_term=what+is+a+present+perfect+verb+tense In PDF document text
- http://zonitupupafof.sportsontheweb.net/the_prince_and_me_online_movie.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4478928/normal_5fc69e7bac28c.pdfIn PDF document text
- https://vugesajovor.weebly.com/uploads/1/3/4/2/134265649/8408853.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4388424/normal_5fca805e3ea1a.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4488817/normal_5fe0c8aee0b97.pdfIn PDF document text
- http://fejekadiwoxobiz.getenjoyment.net/learning_and_development_notes.pdfIn PDF document text
- http://gekodejevotug.medianewsonline.com/robemoxogovakuzak.pdfIn PDF document text
- https://pekupepavipojev.weebly.com/uploads/1/3/1/8/131872203/34fcfefe77.pdfIn PDF document text
- http://nitiwomifigurod.mygamesonline.org/affairscloud_october_2020.pdfIn PDF document text
- http://memaberenux.scienceontheweb.net/7606773319.pdfIn PDF document text
- https://leburivirabilaz.weebly.com/uploads/1/3/1/4/131453170/5a4c8f.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://jomupaz.myartsonline.com/jifevana.pdfIn PDF document text
- https://6200e599-3f2f-4e3e-ab45-e6977ed7e777.filesusr.com/ugd/f8de3e_d9a811335ab2494f832753361e05bd3f.pdf?index=trueIn PDF document text
- http://nununad.myartsonline.com/58352486118.pdfIn PDF document text
- https://bac325b5-3710-4a60-ba01-c1ac5e8a7650.filesusr.com/ugd/c111de_f607e44a8cb44f9d88003e77fac4c1a3.pdf?index=trueIn PDF document text
- https://30383b9b-b26a-44f4-9a26-03873af8f03c.filesusr.com/ugd/fdee49_6bf7a6ad38064eda93b959ab8a14af21.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/jiwisigetizoxif/43724515370.pdfIn PDF document text
- https://s3.amazonaws.com/xifabilejilab/74444480418.pdfIn PDF document text
- https://s3.amazonaws.com/bokofapig/hi-point_9mm_carbine_for_sale_canada.pdfIn PDF document text
- https://s3.amazonaws.com/lukepepe/how_to_get_a_medical_card_in_michigan_2020.pdfIn PDF document text
- https://0dd4521b-3e41-4083-9bcc-807cce03ae78.filesusr.com/ugd/cfe2e9_9f90304869c24794b251f20eee71d819.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/xapijifas/caffe2_vs_pytorch_performance.pdfIn PDF document text
- http://gevapugono.atwebpages.com/arte_classica.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_off0000ef8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF8D | 5284 bytes |
SHA-256: 2b6dbcd6f8ab9949748008cca44e3e55e58982f25c1403d44e1e7b5cac5f17b5 |
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font_01_sfnt_off00010193.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10193 | 10816 bytes |
SHA-256: bcb9a1e5d70202a5e63f9b453261483fa173bf32daf51c4d117278c57f16220f |
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