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-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://kuzutuzo.ru/wix?keyword=progress+monitoring+online+self+quiz PDF link annotation
- http://zozilejumulis.22web.org/magugep.pdfIn PDF document text
- https://nimubawelekuf.weebly.com/uploads/1/3/4/2/134265751/fbad7df1dfd60e5.pdfIn PDF document text
- https://kazuvamelu.weebly.com/uploads/1/3/0/7/130738637/wixijuwodumuzut-ponirozubi-gonesalite-buxekameru.pdfIn PDF document text
- http://musomojil.mywebcommunity.org/49964965070.pdfIn PDF document text
- http://mnatural.space/70870074636crtu7.pdfIn PDF document text
- http://changepass.online/ukulele_strumming_patterns_4_4d4fg6.pdfIn PDF document text
- https://gilemana.weebly.com/uploads/1/3/5/3/135319463/jotanajodof.pdfIn PDF document text
- http://lesuxofozadize.mygamesonline.org/67837613144.pdfIn PDF document text
- http://megatorg.ru/39731215968jr1uu.pdfIn PDF document text
- http://beautytopshop.site/fatumadasefobul3q1s1.pdfIn 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/dbd3a43d-16c1-427f-b99f-f2f00623fba1/kezufuni.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/69fcabca-252f-4847-b8a5-ba64807c778e/kenmore_elite_washing_machine_error_code_f11.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cbecf034-d3bf-4fe5-bac0-93309e61fd0c/khan_academy_free_sat_practice_test.pdfIn PDF document text
- https://s3.amazonaws.com/wufujudisu/gevilan.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/33bd971a-5cb5-40f7-9d99-f4731369825a/lasko_ceramic_tower_heater_with_remote_control_ct22410.pdfIn PDF document text
- http://puzuniposodaf.epizy.com/44187556547.pdfIn PDF document text
- https://s3.amazonaws.com/lezerawe/ruwokikajogexefivuzaxixik.pdfIn PDF document text
- https://s3.amazonaws.com/libosokune/78924760096.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/68e7afc9-ec43-46b5-b581-c6c9917881b3/difference_between_qualitative_and_quantitative_research.pdfIn PDF document text
- https://s3.amazonaws.com/fujadabez/26727655463.pdfIn PDF document text
- https://s3.amazonaws.com/paropabaru/hillsong_united_awesome_god_sheet_music.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f6d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6D0 | 5056 bytes |
SHA-256: 760bf8e652351d3e3b72233eed32a343768a4628ee619ac5c8829bc5d691af14 |
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font_01_sfnt_off000107f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107F9 | 10712 bytes |
SHA-256: 8fdc7c7df2ec19de6eb11ba8c57df468d441bb79c201014d7d5c564699ca3f55 |
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