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 0.9996
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://leonvi.ru/aws?utm_term=daily+schedule+for+a+2+year+old+and+newborn PDF link annotation
- http://sesopuligu.iblogger.org/38883408148.pdfIn PDF document text
- https://cdn.sqhk.co/nodujugebi/bijHgjp/27005760327.pdfIn PDF document text
- https://xiluruzubu.weebly.com/uploads/1/3/0/8/130813732/wegiloxisan.pdfIn PDF document text
- https://zezevibowavaki.weebly.com/uploads/1/3/4/8/134854125/davigujufagufeji.pdfIn PDF document text
- https://nerukime.weebly.com/uploads/1/3/1/3/131379394/sawebewav_vomiwovamemupap.pdfIn PDF document text
- https://cdn.sqhk.co/kupuvikadob/dMWUgiM/senigupezevupupan.pdfIn PDF document text
- https://nubipudovolena.weebly.com/uploads/1/3/4/0/134012318/8345197.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://70010cfe-69b1-4fe9-a336-bdfe2418dc1e.filesusr.com/ugd/f1d680_0671744f1977411cb9137a551c1a890c.pdf?index=trueIn PDF document text
- https://d33b8dfc-9792-4d26-9d81-613d0bd32a71.filesusr.com/ugd/d34367_31096a207dc245b789f51a3e6294a1ec.pdf?index=trueIn PDF document text
- https://5ee0d2ad-6486-47ce-ab7d-0e7b2bae4193.filesusr.com/ugd/bc0d1e_6ea6757d3d04479fa66d6dd6767d04a8.pdf?index=trueIn PDF document text
- https://b40f07b9-a98f-42b6-a6e2-5dc2c82ebb0e.filesusr.com/ugd/e949ea_8b1edef87141454aaee1ad8e733c956a.pdf?index=trueIn PDF document text
- https://a121017b-3fb3-450c-9156-48dd71a9bf80.filesusr.com/ugd/07625c_445d19770a2942c2957de387482e1d77.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/nufidibodudulad/formal_letter_writing_application_for_leave.pdfIn PDF document text
- https://550dfcec-0280-4316-a0d5-68b74a7a20b9.filesusr.com/ugd/f59309_41d45d905dfe421b8705e00d7c058c48.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/sumesawoxajew/cuando_es_una_yarda_en_metros.pdfIn PDF document text
- https://6632aaff-1fe9-4f1d-acb3-7d444e457837.filesusr.com/ugd/ce4b7c_e62f553ef3224a58bd9ef5882f1b56cc.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/dazutun/98820340328.pdfIn PDF document text
- https://s3.amazonaws.com/xijuxosisomuna/english_tests_5th_grade_worksheet.pdfIn PDF document text
- http://detotoga.epizy.com/kubifenesiviv.pdfIn PDF document text
- https://584abdf6-e408-48d3-a53c-4313a8f82471.filesusr.com/ugd/18ee90_596ab2410d8048eaa04f11e4b751313a.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/vasofirida/mubeseluf.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 |
|---|---|---|---|
font_00_sfnt_off000101db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101DB | 5376 bytes |
SHA-256: 1f40bb8cecc3af4dc14d61eb5793f233d219aaf06a504c2d19ea83453e856b0f |
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font_01_sfnt_off00011420.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11420 | 10844 bytes |
SHA-256: dc1039b5d09596682a0207f1a76ec58589d4a460fe0424b3af1004ff820a7919 |
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font_02_sfnt_off00013918.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13918 | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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