MALICIOUS
186
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 0.9997
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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+reset+trio+quad+core+tablet PDF link annotation
- https://sefidobove.weebly.com/uploads/1/3/4/3/134320077/7717679.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366011/normal_6018179715102.pdfIn PDF document text
- https://regutipedazuvi.weebly.com/uploads/1/3/1/0/131071249/fiwukunukade.pdfIn PDF document text
- https://joxunirefebemi.weebly.com/uploads/1/3/4/3/134319414/d8f8a9efcb32590.pdfIn PDF document text
- https://pagajunudew.weebly.com/uploads/1/3/5/9/135992687/7342009.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370265/normal_6011a35779b8d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4450516/normal_5fedd1421ab75.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4483873/normal_603046db036db.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381759/normal_60286f93b1011.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://810dce77-56ab-4324-823a-3549757f4eab.filesusr.com/ugd/1fad07_4a9382c1db6c4b0ca0da705361e85f70.pdf?index=trueIn PDF document text
- https://38f9ccf9-db33-4582-994d-0ea518e52d38.filesusr.com/ugd/368de4_39ade54c86f741a48db4bdb286eba47d.pdf?index=trueIn PDF document text
- https://8f1ef4f7-3f23-41ef-a3d6-4e5873a175a2.filesusr.com/ugd/d318ce_25f1a19c85cd45819ce8f538fe8a4235.pdf?index=trueIn PDF document text
- https://387a498e-9551-4239-9507-3183ba214552.filesusr.com/ugd/cd403b_585ad712324c49638e8db61858d732c4.pdf?index=trueIn PDF document text
- https://3176e400-c268-4dc0-8d69-08eae86937f8.filesusr.com/ugd/ea2f88_2abe9cb75edc4a9bb75a65c40568862e.pdf?index=trueIn PDF document text
- https://c0771fee-1ba5-4dbf-bba5-a775c3d44c03.filesusr.com/ugd/544e7e_ef8a473102794e48887b34ccc56af4be.pdf?index=trueIn PDF document text
- https://b6086c54-8ef4-40f3-ba18-bbbb993b339e.filesusr.com/ugd/36e927_7b1ddd2b147e4a3faf3bf3b2e77d13a5.pdf?index=trueIn PDF document text
- https://71a5d838-4e22-4830-8da1-7955ec3365f5.filesusr.com/ugd/f2f43e_6fb8667000314f5f8bad4ef1a3a9980b.pdf?index=trueIn PDF document text
- https://caf0f927-206f-4b4e-aa34-0dd3da53679b.filesusr.com/ugd/83d902_de95c0e046e641acb881fc9db20a2cf0.pdf?index=trueIn PDF document text
- https://065b66ee-25d8-4381-b309-094abc4d823c.filesusr.com/ugd/2703e6_24cba16bca95487b9fb53e9f39cc7c0c.pdf?index=trueIn PDF document text
- https://73c25812-7308-4b32-b985-10e2a25710ca.filesusr.com/ugd/5b604d_369abe0eb5f8484fa3eea3a0d8aa34fb.pdf?index=trueIn PDF document text
- https://ae26bae5-b1f3-4fb2-a0ba-5d2f2d23988c.filesusr.com/ugd/aec2ea_49cd7a03566a4484bd6869c3334e7dd7.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_off0000f230.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF230 | 5252 bytes |
SHA-256: 1f176241740881b8605b6a5d3f68f0c000fd1a0dbd63060922bc97984f24deb6 |
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font_01_sfnt_off00010423.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10423 | 10992 bytes |
SHA-256: a79c61898f6c3027bfd6e63f5a7ab10da16c327a5b4ff988a764dd81d8c08e30 |
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