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://druttle.ru/strik?utm_term=printable+list+of+regular+and+irregular+verbs+in+english PDF link annotation
- https://cdn-cms.f-static.net/uploads/4457849/normal_60280797eb17e.pdfIn PDF document text
- https://toraboretopupu.weebly.com/uploads/1/3/4/7/134769369/wapigomebarowo.pdfIn PDF document text
- https://liletalezawo.weebly.com/uploads/1/3/4/5/134591830/1188554.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4465705/normal_6015c739d309f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4423696/normal_60127f8c7aa2e.pdfIn PDF document text
- https://vojosapixetogal.weebly.com/uploads/1/3/4/7/134770394/a7a899ff5b2b940.pdfIn PDF document text
- https://vexefanakaxaki.weebly.com/uploads/1/3/4/8/134871487/552253.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4404955/normal_5fe8b3c5ee540.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4366004/normal_5fc96d97e6b6f.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4426087/normal_5fe398e0d83d9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4376120/normal_604cd520088fd.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375075/normal_60500fea012f3.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/b329565a-a7de-414f-a109-ba200b52d70a/my_cloud_ex2_ultra_fan_not_working.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5ebe75fd-a2a5-41aa-a2eb-507102422205/xotudixesuke.pdfIn PDF document text
- https://s3.amazonaws.com/popilo/maus_part_2_chapter_5_summary.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/16248ce5-9bf4-4874-8256-c4f283a40546/saltwater_fishing_rods_for_sale.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/236d7516-01d8-4df3-86bd-59cf0f8d2651/zuwedebuxofokemug.pdfIn PDF document text
- https://s3.amazonaws.com/xukonakefules/83264360374.pdfIn PDF document text
- https://s3.amazonaws.com/dotivaf/kenmore_elite_microwave_convection_oven_not_working.pdfIn PDF document text
- https://s3.amazonaws.com/risisipajole/74314248592.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1d4899ab-bdd4-4794-b942-10d452f72956/9_times_tables_worksheet.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_off0000e8a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8A0 | 5372 bytes |
SHA-256: 036fc20af47d5163541de4ca956f86f1598037f760313d3028c57eadddc7fb14 |
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font_01_sfnt_off0000fadd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFADD | 10372 bytes |
SHA-256: bf650ed7941d5d524ee3a7b66eb68293999a1c14cb58196a2d541f7388ca9090 |
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