MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains heuristics indicating it is malformed and contains an external URI, specifically pointing to 'https://leonvi.ru/123?utm_term=banner+saga+apk+full'. The ML classifier and ClamAV detection strongly suggest malicious intent. The presence of embedded URLs and the overall structure point towards a phishing or malware distribution attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTHA PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
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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://leonvi.ru/123?utm_term=banner+saga+apk+full PDF link annotation
- https://gonufefimexej.weebly.com/uploads/1/3/4/8/134892828/1729633.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4419851/normal_60121a071481f.pdfIn PDF document text
- https://lixepugoguzezum.weebly.com/uploads/1/3/4/1/134132265/gadisumakudekakot.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4386852/normal_602eb4e7b7ff6.pdfIn PDF document text
- https://rulodewarozuw.weebly.com/uploads/1/3/4/6/134678260/2665276.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4463788/normal_6044fb910a78a.pdfIn PDF document text
- https://lefofikik.weebly.com/uploads/1/3/5/3/135316562/womifijovag.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://lekuzax.pbworks.com/f/rapport_de_stage_reception_dhotel.pdfIn PDF document text
- http://gogoporiwo.pbworks.com/w/file/fetch/144481233/what_is_a_comparison_and_contrast_essay.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d709eb37-fae9-49de-a9b6-817469df9987/verbos_regulares_en_ingles_y_espaol_en_presente_y_pasado_simple.pdfIn PDF document text
- http://gulisapil.pbworks.com/w/file/fetch/144420846/silabepeziramut.pdfIn PDF document text
- http://lakebimutep.pbworks.com/w/file/fetch/144417999/pojevufifojiravakegapuz.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f7b42299-5b79-4c7f-a97f-e4da0bc3bc2d/9273734655.pdfIn PDF document text
- http://bevojoluvu.pbworks.com/w/file/fetch/144481269/17752673146.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ffcdc877-a3bc-4abd-b2bc-6c1368ee3d45/66622853750.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f8bed0b0-d850-47b3-a380-96dec54126ec/chetan_bhagat_novel_half_girlfriend_in_hindi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/03f5d9f3-58b7-4edb-a708-8288c9f56b8c/32372144732.pdfIn PDF document text
- http://bevojoluvu.pbworks.com/w/file/fetch/144481284/what_are_good_coping_skills_for_anxiety.pdfIn PDF document text
- http://jajisaparev.pbworks.com/f/69423186595.pdfIn PDF document text
- http://wekibivu.pbworks.com/w/file/fetch/144476880/42020956110.pdfIn PDF document text
- http://vatojorisa.pbworks.com/f/iphone_auto_clicker_app_no_jailbreak.pdfIn PDF document text
- http://veweran.pbworks.com/w/file/fetch/144434895/sosinubedovefe.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_off0000f1a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1A7 | 5184 bytes |
SHA-256: 8caa0623f3b161337a4eb7cd635ee3ffd480a5fcb558cb94286d9a217d2b3577 |
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font_01_sfnt_off00010365.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10365 | 23804 bytes |
SHA-256: 789f98b85b2b855db72874c4670875d4ba587c107d55dc1767099e7fbec6ec75 |
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