MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm or redirection scheme. The embedded document body text is heavily obfuscated and contains references to external URLs, indicating a potential attempt to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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/strik?utm_term=robin+hood+cast+1991+little+john%2527s+son PDF link annotation
- https://cdn-cms.f-static.net/uploads/4456128/normal_6041e94c91ddf.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4485173/normal_5fcaf9a500838.pdfIn PDF document text
- https://xefewovureku.weebly.com/uploads/1/3/4/2/134265706/9c6010149ed5d2.pdfIn PDF document text
- https://rixowumunek.weebly.com/uploads/1/3/5/3/135330445/dowuvanuzoxu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4469101/normal_6054f8dab85b9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4484364/normal_60366b6bd11b9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383568/normal_5fe7c3d10720b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4497344/normal_60283af417a48.pdfIn PDF document text
- http://toxusuzom.mypressonline.com/convert_to_word_arabic_ocr.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4417523/normal_60037380ef941.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4468534/normal_600e8fad9fc17.pdfIn PDF document text
- https://mifurujuxix.weebly.com/uploads/1/3/3/9/133997148/lemajoja_lebabonumogo.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/metubevozisul/32031804105.pdfIn PDF document text
- https://s3.amazonaws.com/fuwawibu/google_calendar_app_for_android_free.pdfIn PDF document text
- http://rosodojilu.rf.gd/sefiximomegajita.pdfIn PDF document text
- https://s3.amazonaws.com/lefemijip/bin_sachivalay_question_paper_2016_answer_key.pdfIn PDF document text
- https://s3.amazonaws.com/babuxufarizuxur/jidumilufakafovarebofaxi.pdfIn PDF document text
- https://s3.amazonaws.com/bidemewufa/latest_firefox_browser_for_windows_7.pdfIn PDF document text
- http://zezajezo.epizy.com/zovabuliritinezuxuriz.pdfIn PDF document text
- http://bavotuvezomevi.myartsonline.com/biostar_handbook_professional_edition.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_off00011564.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11564 | 5396 bytes |
SHA-256: 9004272ed3b0d616adefb484c5f65e3ce01f071811fb32af148a6ba8ca96d7b5 |
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font_01_sfnt_off000127c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127C6 | 11324 bytes |
SHA-256: bad3c023dc87a074c1273e5c76e2c498a0c3ea10b9c592105f6111e37c013ad0 |
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