MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
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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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://jacksth.ru/strik?utm_term=is+uncle+iroh+good PDF link annotation
- http://cloudmarket.website/xugetimurasetezonaszt4g.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393521/normal_6027924dd469b.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4377697/normal_5fc659bb93bd6.pdfIn PDF document text
- http://sberbank.services/lawisukec5n.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388280/normal_5fda5b32ccec5.pdfIn PDF document text
- http://fridgeservice.ru/the_serotonin_power_diet_downloaw9izy.pdfIn PDF document text
- https://cdn.sqhk.co/tixunudixa/e8juYjh/ates_ve_su_oyun_skor_2_oyna.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4392470/normal_601a17f2b51f1.pdfIn PDF document text
- http://itwow.info/zomudasemixemxrr43.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4450732/normal_5fe3de31b7e81.pdfIn PDF document text
- http://boothattendant.com/bloatware_remover_apkpurethl5j.pdfIn PDF document text
- https://cdn.sqhk.co/lekusovu/ghjdOl1/mcdonald_s_menu_prices_2020_breakfast.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420604/normal_6018eaada79f3.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/wivunonovef/trigonometry_area_of_a_triangle_worksheet.pdfIn PDF document text
- https://s3.amazonaws.com/sizadagazagaj/24201145582.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_off0001a74c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A74C | 4928 bytes |
SHA-256: 0207d6b4941f337265cc1459dad932ecfe55646caa25fc2acc07b7492bbd7084 |
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font_01_sfnt_off0001b805.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B805 | 11204 bytes |
SHA-256: 80c1449d53d24b81a483d513e4c9346ba45dcf9c8066298d83dad5b4f68c246d |
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