MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, many pointing to disposable hosting, suggesting a link farm or SEO manipulation tactic. The ClamAV detection and ML classifier strongly indicate malicious intent, specifically identified as a phishing trojan. While no scripts were explicitly extracted, the PDF structure and heuristic firings point towards a malicious document designed to redirect users to potentially harmful websites.
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 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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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://mezovuduw.ru/strik?utm_term=how+to+program+a+directv+remote+to+your+box PDF link annotation
- https://cdn.sqhk.co/fogobewataja/jahaUhc/86707075371.pdfIn PDF document text
- https://cdn.sqhk.co/puvubuzu/ldlgdjf/wanumubad.pdfIn PDF document text
- http://gekodejevotug.medianewsonline.com/67529913319.pdfIn PDF document text
- http://fisareboveda.getenjoyment.net/types_of_negative_emotions_list.pdfIn PDF document text
- https://cdn.sqhk.co/fumodolanes/jejfrhd/galogo.pdfIn PDF document text
- http://pebunoguge.mygamesonline.org/database_management_system_navathe.pdfIn PDF document text
- http://tojuvapemupo.mywebcommunity.org/zemewija.pdfIn PDF document text
- http://fajasated.mywebcommunity.org/sizanulolexu.pdfIn PDF document text
- https://cdn.sqhk.co/jezaziritav/aFuLiji/96160500185.pdfIn PDF document text
- https://cdn.sqhk.co/ketixudolu/7hdZyjd/pos_easypay-_cards_btu.pdfIn PDF document text
- https://cdn.sqhk.co/kamozipu/ihgha6z/mumowiled.pdfIn PDF document text
- https://cdn.sqhk.co/xonipavu/gchaqjc/kalus.pdfIn PDF document text
- http://jarevine.mywebcommunity.org/insert_file_in_excel_worksheet.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/kosipefojaw/nejufajagivezisog.pdfIn PDF document text
- https://1dab3517-3db0-43ff-9fd6-b65b51f65b60.filesusr.com/ugd/565485_83c76d2c71f6466da81b398d755cfa4a.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/tutapaxi/zumavamofikas.pdfIn PDF document text
- https://s3.amazonaws.com/nonabafat/jiwinabageroxe.pdfIn PDF document text
- https://s3.amazonaws.com/wutogugej/zitiwosivebalumosunagapi.pdfIn PDF document text
- https://e1ca4115-fb55-43f9-84f1-eaf814f8c83f.filesusr.com/ugd/18122d_29da1196fee040e5868ec26b01a34e84.pdf?index=trueIn PDF document text
- https://4900ecec-7ac1-411c-be2c-b077674085c8.filesusr.com/ugd/493135_7b6f2d76ddd74c94b439271f323e0f95.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/fajeloninesitel/nikon_p510_camera_for_sale.pdfIn PDF document text
- https://81da36f4-dec6-4bf4-836b-19ed67500659.filesusr.com/ugd/5fd5c1_37a8979ad8964a40a3cc2fc2863d7410.pdf?index=trueIn PDF document text
- https://2987c0f4-171e-4473-b3f1-a5468658115b.filesusr.com/ugd/75ff8a_40b42a6653644e0482aec610787e7d3d.pdf?index=trueIn PDF document text
- http://tivakifuzir.atwebpages.com/47668216728.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_off0000e209.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE209 | 5608 bytes |
SHA-256: ac8326235a3a5262be3d0f74f3ee849752c66e87f01d43de16757b7aeed31f43 |
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font_01_sfnt_off0000f524.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF524 | 10136 bytes |
SHA-256: b4a7440be297a49d7fdfaabf984ed6d3941a9c661c2f5738eb0dba61d781ab1f |
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