MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The presence of external URIs and a visual download button lure suggests an attempt to trick the user into downloading a secondary payload. The PDF's structure and embedded links point towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 6
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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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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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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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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://kuzutuzo.ru/award?keyword=merge+jpg+to+pdf+small+pdf PDF link annotation
- https://static.s123-cdn-static.com/uploads/4528780/normal_5fff15ceaaaca.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408987/normal_601e436a5ead7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4385020/normal_604cc696a63e4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4464541/normal_60228812c0a04.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4410418/normal_6035caf5484fc.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4408004/normal_5ff9f75d0f1a6.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4453908/normal_5ff656e7dfedd.pdfIn PDF document text
- http://finuxezanasa.mygamesonline.org/news_nation_wgn_cast.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4413002/normal_5ff03e303e75e.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4383791/normal_60055621ceb91.pdfIn PDF document text
- http://gejobukopap.iblogger.org/base_de_dados_relacional.pdfIn PDF document text
- http://gikilebi.iblogger.org/xutekefupupo.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
- https://b913155d-2712-4fd4-bcc6-651970a8c456.filesusr.com/ugd/e39924_ddddcff460904ad590211168b49bd481.pdf?index=trueIn PDF document text
- https://a4346b84-4611-49ab-b113-80c9188ca613.filesusr.com/ugd/078c79_5359b553210d4f65be020fddb1d49882.pdf?index=trueIn PDF document text
- http://zokugapifixi.rf.gd/29152795016.pdfIn PDF document text
- http://gebilame.epizy.com/82680147416.pdfIn PDF document text
- https://8533cbf3-c0d6-400c-bdf8-8ca38cf0242b.filesusr.com/ugd/135178_c4288a509f0747bf9d4a4c9ed29c9c2b.pdf?index=trueIn PDF document text
- http://vipipepavi.rf.gd/83904329538.pdfIn PDF document text
- http://wumafopid.onlinewebshop.net/conwell_acres_of_diamonds.pdfIn PDF document text
- http://sajorasuxanuvil.epizy.com/kekosumu.pdfIn PDF document text
- https://b962d5b8-8819-42e3-9ba3-d95e8366760e.filesusr.com/ugd/f51585_e6ec207cab99424ba8b79db0d479eca8.pdf?index=trueIn PDF document text
- http://kowotasube.epizy.com/brewster_angle_microscopy.pdfIn PDF document text
- https://45b0b119-5f8c-43e7-b437-4e12d17c1c81.filesusr.com/ugd/3826db_f7a543d7873a4691aeaa07a65a15964a.pdf?index=trueIn 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_off0000f052.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF052 | 5076 bytes |
SHA-256: d16822145b21c58cdac507aa07011c5692f57139188f59ab6afb05a323a1edb7 |
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font_01_sfnt_off000101b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101B2 | 10588 bytes |
SHA-256: dacc06c511e97a7d9e57cbfe60405e8f6346b432d38f74774b1c7452e36c8db5 |
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font_02_sfnt_off000125ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125CA | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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