MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, embedding numerous external URIs, with a significant portion hosted on disposable domains, suggesting an attempt to manipulate search engine results or redirect users to malicious content. While no scripts were explicitly extracted, the PDF structure and embedded URIs are indicative of a phishing or SEO spam campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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://jottigo.ru/award?keyword=aditya+hrudayam+stotram+in+tamil+pdf PDF link annotation
- https://tujozidu.weebly.com/uploads/1/3/4/6/134694944/73dc1d0.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4470696/normal_5fc586f161ec0.pdfIn PDF document text
- https://zugavugusalozi.weebly.com/uploads/1/3/0/7/130776271/4676096.pdfIn PDF document text
- https://gitarufimoka.weebly.com/uploads/1/3/4/2/134235546/bixalokone.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4448096/normal_6027148da66e5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4384483/normal_5fe79d6b3fb10.pdfIn PDF document text
- https://cdn.sqhk.co/xokebuzizo/X5npvie/56398366498.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4408352/normal_5fc6a9fe0fe79.pdfIn PDF document text
- https://cdn.sqhk.co/menigopas/oififgf/90879846350.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420036/normal_6036344c3e11b.pdfIn PDF document text
- https://dodikajopofibu.weebly.com/uploads/1/3/4/7/134704264/1512281.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4418786/normal_6051545273ee5.pdfIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/033d8e5d-1bda-4426-969f-2a500002b8be/what_are_some_public_health_topics.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5a621dee-18bb-4108-ad1b-9fdf6c455fa1/bijanalikifewamuso.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/259dabe5-8755-4441-8170-484865fa4884/38642200177.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/23fba189-34fe-4a5f-ac45-123023afcab5/81076788230.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c27fb5f8-9417-41d7-919b-3accddbdc947/63420786651.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/605a1535-9017-4017-be60-f9374df26421/40772280802.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d7650211-8932-4528-8616-7f0a15f0806f/focus_svt_top_speed.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cc3b453f-dfc3-43bf-99eb-61285ee2458e/ridgid_air_compressor_parts_of45175a.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3f51e0ed-c276-4124-97a1-94c1d3b4bc00/sopadekiri.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_003_off000138cd.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x138CD | 32560 bytes |
SHA-256: 8164cc91bb6a464165e7296afe42685b463fbcfc6ef0e089e4fb122e5a07472b |
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font_00_sfnt_off000126aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126AA | 5372 bytes |
SHA-256: 432c37baa89301abedfe5b44e8d3263b26203a42e4d679d161b3947f86fbe84d |
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font_02_sfnt_off000175ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x175EE | 9796 bytes |
SHA-256: 7846725c75656b22b401e9f4574eda7bbb89eb46bd24de041350572f0336775a |
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