MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links pointing to known malicious redirector infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The ML classifier also strongly flagged this PDF as malicious. The primary malicious IOC is the URL 'https://yafferge.ru/wix?keyword=future+problem+solving+categories', which is likely used to redirect users to a phishing or malware-hosting site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 5
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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 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://yafferge.ru/wix?keyword=future+problem+solving+categories In PDF document text
- https://kumeboxisadinur.weebly.com/uploads/1/3/4/6/134684257/lufezuxob.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4415292/normal_601bcf673827b.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4371788/normal_5ff39c23a7ea3.pdfIn PDF document text
- http://nipuxikupiluzep.iblogger.org/mathematics_syllabus_d_book_3.pdfIn PDF document text
- https://nudadisaxoge.weebly.com/uploads/1/3/4/0/134018155/ae2ed4f3e2954.pdfIn PDF document text
- https://baxufolodamiz.weebly.com/uploads/1/3/1/4/131408032/84007981f.pdfIn PDF document text
- http://lijamerogavex.iblogger.org/kiran_s_psychological_aptitude_test_book_free.pdfIn PDF document text
- https://zidadosivifaju.weebly.com/uploads/1/3/0/7/130775619/90a03f8.pdfIn PDF document text
- http://wanebiwadu.iblogger.org/links_awakening_seashells_interactive_map.pdfIn PDF document text
- https://zinobelusetepi.weebly.com/uploads/1/3/5/3/135318062/9316828.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450634/normal_605f76854acb1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4530937/normal_60646589a169d.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/04841f19-14f6-4091-bcaf-b5b76a9809b3/rogekamomupafegaduzatu.pdfIn PDF document text
- https://s3.amazonaws.com/rabewiruzitewa/bexifitatonotorajez.pdfIn PDF document text
- http://ximogubofew.epizy.com/wagilitolobatofuliranuwi.pdfIn PDF document text
- http://votizabi.epizy.com/norton_anthology_of_african_american_literature.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8090f449-c237-4feb-a300-21c1ddb64c6d/sharp_el-2196bl_calculator_instructions.pdfIn PDF document text
- https://s3.amazonaws.com/mozirolinitaje/baiju_bawra_film.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c610a8c3-e004-4c85-9818-ec041dd951ab/texojo.pdfIn PDF document text
- http://zisajevejeniw.epizy.com/naxof.pdfIn PDF document text
- http://ralokavuxubu.epizy.com/6260985439.pdfIn PDF document text
- http://vopepogam.rf.gd/asiana_airline_crash_news_report.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_off0000ef79.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF79 | 5408 bytes |
SHA-256: 53538d7cda365f103c5455b2cdd316d6e182b684b7c33ac4db43a635edffda43 |
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font_01_sfnt_off000101d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101D1 | 11036 bytes |
SHA-256: 47ed48c6f0c4765c4122bc7b4d4db819aecac846a14dd8a7076bfa9b6f224907 |
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