MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by both ML classifiers and ClamAV. It contains a large number of external links, many pointing to disposable domains, suggesting a link farm or SEO spam operation. The embedded URLs, such as 'https://kuzutuzo.ru/wix?keyword=compare+and+order+rational+numbers+worksheet+6th+grade+pdf', are likely used to redirect users to malicious or spam content. No scripts were extracted, but the PDF structure and numerous external links indicate a malicious intent to redirect users.
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://kuzutuzo.ru/wix?keyword=compare+and+order+rational+numbers+worksheet+6th+grade+pdf PDF link annotation
- https://dofolemabumef.weebly.com/uploads/1/3/4/4/134458616/bomidotepevop.pdfIn PDF document text
- http://bofesota.66ghz.com/ac_joint_arthritis_physical_therapy_exercises.pdfIn PDF document text
- http://rozefuzapotor.iblogger.org/74503319101.pdfIn PDF document text
- https://juguxusomusivu.weebly.com/uploads/1/3/5/3/135327365/2985802.pdfIn PDF document text
- https://cdn.sqhk.co/jofijoju/Tifhcge/mizeb.pdfIn PDF document text
- https://jifonoru.weebly.com/uploads/1/3/5/3/135316211/94b9339ae554f9.pdfIn PDF document text
- https://cdn.sqhk.co/tivanosox/eigXXgf/28602742363.pdfIn PDF document text
- https://cdn.sqhk.co/wavafinudow/hjLahj8/bergamasque_suite_sheet_music.pdfIn PDF document text
- http://nokunejojepeje.22web.org/software_project_management_tools_assessment_comparison_and_suggestions_for_future_development.pdfIn PDF document text
- https://fapojenulexo.weebly.com/uploads/1/3/1/3/131383319/saviwuradegitovezuju.pdfIn PDF document text
- http://favosiwuvaru.iblogger.org/piramide_alimenticia_actualizada.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://bf6af823-cb0d-4ee8-9d5b-4f0b1de5ed24.filesusr.com/ugd/9eb187_02a75f6f27bb46adbbf002fd1c3624d9.pdf?index=trueIn PDF document text
- http://xopapikalemeb.rf.gd/can_t_stop_guitar_tab.pdfIn PDF document text
- http://nopizapokife.epizy.com/nenopikonudumuvonopa.pdfIn PDF document text
- http://jujovotusenugo.epizy.com/viewmodel_android_gradle.pdfIn PDF document text
- http://bukogog.epizy.com/business_loan_promissory_note_template.pdfIn PDF document text
- http://lirepemewepe.rf.gd/how_to_season_an_old_rusty_cast_iron_skillet.pdfIn PDF document text
- https://921790ca-7b53-43bd-a25d-275d6f056404.filesusr.com/ugd/9d24cb_e8ba2620ad9d4f06b69c18cea16d6e9d.pdf?index=trueIn PDF document text
- http://livixow.epizy.com/8573558002.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f07b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF07B | 5808 bytes |
SHA-256: cde5a36a2d78be3408c36bb71f27a266aedb6304c5027029b6c0bbafd603fa04 |
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font_01_sfnt_off00010415.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10415 | 10948 bytes |
SHA-256: 873b8e9fbdc0c2c07b079811552df6f8c1046e4540504835d86a536048f4b0f9 |
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font_02_sfnt_off000129b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129B6 | 16232 bytes |
SHA-256: 68eef4b610644b6a98f668349b58b424e8310755c20c018328a8321db0e17a89 |
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font_03_sfnt_off00013f1a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13F1A | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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