MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links that redirect to known malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains text suggesting a lure related to 'kung fu hustle free stream english subtitles'. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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://crophysi.ru/strik?utm_term=kung+fu+hustle+free+stream+english+subtitles In PDF document text
- http://mnogoturov.com/zener_diode_sot_23_datasheet2sy2l.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368985/normal_604de5f4cf076.pdfIn PDF document text
- https://fuxarudoniw.weebly.com/uploads/1/3/5/3/135350341/faminubufazuleg_pasedon_rigukodukuda.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4471960/normal_5ff0eb0d0aa53.pdfIn PDF document text
- https://sipavokipepino.weebly.com/uploads/1/3/4/3/134330850/faxogutodaraganunub.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4460231/normal_5ff6ae6536a6f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4405652/normal_6062c98465a9b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420432/normal_6044cc3d8b166.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4371536/normal_5feffae2b9eb7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4406812/normal_605b9e6a7d991.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4426953/normal_5ff0c50b799d6.pdfIn PDF document text
- https://gitufigekuxos.weebly.com/uploads/1/3/4/6/134634758/3917507.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4412161/normal_603a42f4404ae.pdfIn PDF document text
- http://wow50.pro/sagugugujif3hmwv.pdfIn PDF document text
- https://latiratigu.weebly.com/uploads/1/3/1/1/131164156/5305368.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/e4db4482-3564-4e93-b08e-2426cd4e369b/99328048577.pdfIn PDF document text
- https://s3.amazonaws.com/jarirotexab/cecelia_ahern_love_rosie.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b21f16a0-205b-4f1c-bd42-ce69363c37e1/rigoxidatisugo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8f0c9deb-d582-427d-86e6-1dbb62909851/51719824312.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d6cadbce-41c0-4b1d-bf64-380c8bbe4ed8/foponokok.pdfIn PDF document text
- https://s3.amazonaws.com/xapota/beatstep_ableton_template.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_off0000e40a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE40A | 5288 bytes |
SHA-256: b3786e3435daf0d674cc779642b3ffbf9c79252f4281f709694eca45e9572ed6 |
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font_01_sfnt_off0000f5ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5EA | 10608 bytes |
SHA-256: 4890793a53c0478feedc5c814739e7382f629a9f4c046af34ee549f670b05e28 |
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