MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and flagged by an ML classifier, indicating a high likelihood of malicious intent. The presence of embedded JavaScript and a large number of external URIs, many pointing to disposable domains, suggests this PDF is designed to redirect users to malicious sites. The 'SE_URGENCY_LURE' heuristic further supports a phishing or social engineering attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://crysiq.ru/uplcv?utm_term=is+spinach+good+for+acne PDF link annotation
- https://unicorn.mn/js/ckfinder/userfiles/files/40871208856.pdfIn PDF document text
- http://cgpharma.in/cote_dor_import/admin/ckfinder/userfiles/files/lapugesabesekavulat.pdfIn PDF document text
- http://triple-a.co.th/ckfinder/userfiles/files/42452508067.pdfIn PDF document text
- http://phuketdriveschool.com/userfiles/file/5205379776.pdfIn PDF document text
- http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/161327c000bb57---46049742954.pdfIn PDF document text
- https://dijitalsanat.link/upload/files/ratola.pdfIn PDF document text
- http://pomelieagency.com/userfiles/files/vinufesikozonelok.pdfIn PDF document text
- http://tmkb.org.tr/ckfinder/userfiles/files/29820447516.pdfIn PDF document text
- http://huzatfokozo.hu/editor_up/30132987131.pdfIn PDF document text
- http://fruitsad.pl/images/file/vajip.pdfIn PDF document text
- https://nepalonetours.com/userfiles/files/ralenusurafujipujo.pdfIn PDF document text
- http://lukinserv.hu/file/tuzuweluroluma.pdfIn PDF document text
- https://altaamir.ipixpms.com/Rapport/public/assets/ckfinder/userfiles/files/denemajusefiwegare.pdfIn PDF document text
- http://wxmx.cn/upload/ckimg/files/202109030647324133.pdfIn PDF document text
- https://playworkspartnership.ca/sites/default/files/file/76166339600.pdfIn PDF document text
- https://malmospelmanslag.se/userfiles/file/tekezudefasi.pdfIn PDF document text
- http://antonio-pelella.eu/userfiles/files/5119024213.pdfIn PDF document text
- https://songod.vn/uploads/image/files/kowilojarajimenawawan.pdfIn PDF document text
- https://www.greenlakecruises.com/ckfinder/userfiles/files/95432889571.pdfIn PDF document text
- http://universalthailand.com/images/uploads/ckfinder/files/73420361276.pdfIn PDF document text
- http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/1612e9d0496352---81605350534.pdfIn PDF document text
- http://www.allatpatikapecs.hu/images/file/62688342650.pdfIn PDF document text
- https://olterus.org/contents/files/7117254655.pdfIn PDF document text
- http://thetsaban3watnuea.com/UserFiles/file/72647479980.pdfIn PDF document text
- http://terredellamagnagrecia.com/userfiles/files/56066246681.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f74a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF74A | 17016 bytes |
SHA-256: 31e8c7e39ce7845bc699db7e7b34a91f8f59640caab23a35e8220d1da4a770d6 |
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font_01_sfnt_off0001236b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1236B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013b82.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B82 | 10708 bytes |
SHA-256: 75bd217128de3443260b103b5a1b62de97c23fc42939687d6831711038c178f8 |
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