MALICIOUS
162
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://yafferge.ru/123?utm_term=showbox+download+apk+latest+version'. Additionally, a machine learning classifier strongly flagged the PDF as malicious, and ClamAV detected it as 'Pdf.Phishing.Trojan'. The presence of a visual download button lure further supports a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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/123?utm_term=showbox+download+apk+latest+version In PDF document text
- http://babubusawase.22web.org/pededizaladedoxixijebelo.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4481831/normal_5fe271bdc0d6e.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4401697/normal_6006e15315b26.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4449399/normal_60113598c2507.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4415055/normal_5fe95420cf5e5.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://lavebaku.rf.gd/vurajexasezevaguv.pdfIn PDF document text
- http://bukulifuxevet.rf.gd/kepufet.pdfIn PDF document text
- http://bomigezi.epizy.com/tamesitununamibilas.pdfIn PDF document text
- https://s3.amazonaws.com/kopisigapub/54444560269.pdfIn PDF document text
- https://s3.amazonaws.com/xedewofuretujo/bachna_ae_haseeno_song_raagsong.pdfIn PDF document text
- https://s3.amazonaws.com/lovetijif/surf_report_biarritz_plage_des_basques.pdfIn PDF document text
- http://veduredetud.epizy.com/atmega32a_datasheet.pdfIn PDF document text
- http://gurebuvijo.epizy.com/7869989322.pdfIn PDF document text
- https://s3.amazonaws.com/dosalapasenow/jipuridef.pdfIn PDF document text
- http://mamesejo.epizy.com/86669518311.pdfIn PDF document text
- https://s3.amazonaws.com/xugigabitulu/lizaloso.pdfIn PDF document text
- https://s3.amazonaws.com/kujapomib/14355660204.pdfIn PDF document text
- http://birotizedu.epizy.com/charades_app_apk_premium.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001091e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1091E | 5364 bytes |
SHA-256: a023598e4380d90f341f8caa287e9e140d96adcb31ffa0451ff7e4ed9f80d2b9 |
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font_01_sfnt_off00011b56.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B56 | 11028 bytes |
SHA-256: 32143f08cc740751c0344e63ec30ecff661a0fa4862052178445562f5051a990 |
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font_02_sfnt_off000140d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x140D3 | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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