MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by ML classifiers and ClamAV, flagging it as a phishing trojan. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to redirect users to malicious sites. The document body, though heavily obfuscated, contains metadata related to search keywords, reinforcing the lure of finding specific content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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://jumiwimov.ru/award?keyword=bsc+1st+year+physics+book+download+pdf PDF link annotation
- http://raisinshub.club/59244178950bqoi0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4501774/normal_60217982597eb.pdfIn PDF document text
- http://bekokax.getenjoyment.net/bosquejos_para_predicadores_tomo_2.pdfIn PDF document text
- http://copyrights-notices-helps.com/loxezavogiwexesuzusuoqm1.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4485568/normal_6005ebe838485.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4450907/normal_5fcb4039d1aa0.pdfIn PDF document text
- http://slampochka.ru/nomesirurimomirttkop.pdfIn PDF document text
- http://zathkatow.xyz/taittiriya_upanishad_lyricsfwcou.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4366343/normal_5fe111dc46891.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4492250/normal_600f7444b9fdb.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://nosigegu.onlinewebshop.net/leladunudaxunovarutilotej.pdfIn PDF document text
- https://694dae7a-2033-4a59-8b06-91ff4eec0774.filesusr.com/ugd/e1d58f_b2eff5ece51f4a21a03c6eeeca91e404.pdf?index=trueIn PDF document text
- https://34ea5197-a9e9-4ba5-99bb-a7dd7aeba98b.filesusr.com/ugd/234f58_4516ad9f46ac41e78d8810d1a7a4737d.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/tufujifinobiro/moviecounter_club_2019_movies.pdfIn PDF document text
- https://3f9320ff-391d-49df-b192-c557e211a93c.filesusr.com/ugd/469aea_6a96a4058cd840608c74d143a0f95472.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/pulavokaxe/sorugawamexelubug.pdfIn PDF document text
- https://s3.amazonaws.com/nolarifaforuxop/xibowete.pdfIn PDF document text
- https://459fb65c-52af-4c88-885a-43a44fbeaf25.filesusr.com/ugd/6a7407_44af5f08a3094101882b2c70184443f9.pdf?index=trueIn PDF document text
- https://27158da8-170d-48ca-a528-b8ced62fe517.filesusr.com/ugd/9fc8c3_15f01fc433ee4e0c94b11c62c10b0525.pdf?index=trueIn PDF document text
- https://b7eb3c74-9f10-4efd-a612-efb7ea03662f.filesusr.com/ugd/7198c1_3b34b27252c94bfb96893a068fb04bf5.pdf?index=trueIn PDF document text
- https://387a498e-9551-4239-9507-3183ba214552.filesusr.com/ugd/cd403b_7b80b884e66745f19b84afdcfe99c274.pdf?index=trueIn PDF document text
- https://f8ba888e-8f71-4fde-8303-550399648f4e.filesusr.com/ugd/17ce20_97c2dde4a8754360b6f01bf64e4906f9.pdf?index=trueIn PDF document text
- https://2ea9429b-0332-4ee6-bb75-ab9535b56c99.filesusr.com/ugd/e2f7e1_5c2148df583648db8336a70443313544.pdf?index=trueIn 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_off0000fc9a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC9A | 5744 bytes |
SHA-256: c563ecf81a53384ff4e361622bc7d7a7a6adcd1102f1bd11764ff41f44a2a989 |
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font_01_sfnt_off0001103b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1103B | 10208 bytes |
SHA-256: 76ece0006e9dbdd7fe9466fd20bc2905e9a0ee959da451d06ff6b8e420e191d0 |
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