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 0.9991
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://synerhu.ru/pbw?utm_term=spanish+guitar+mp3+free+download PDF link annotation
- https://rewojomivatal.weebly.com/uploads/1/3/5/3/135345623/popalikunu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4486975/normal_605bc18d86944.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4387931/normal_5fed2707b695d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4385228/normal_5fd3563ea7f07.pdfIn PDF document text
- https://jukejifoka.weebly.com/uploads/1/3/5/3/135311866/0b84234e6.pdfIn PDF document text
- https://panujiwawavila.weebly.com/uploads/1/3/4/4/134457592/fusixo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4505699/normal_605b672380bb6.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4455907/normal_6004cc23f2312.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4410216/normal_6045f69e7b830.pdfIn PDF document text
- https://static.s123-cdn-static-d.com/uploads/4366639/normal_60b2fe439372b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373985/normal_604347ef2d0ea.pdfIn PDF document text
- https://vigenawora.weebly.com/uploads/1/3/4/4/134495248/5de05c5.pdfIn PDF document text
- https://pemolopudamas.weebly.com/uploads/1/3/4/7/134753943/nejomegafaxite.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4462065/normal_601fe2221b217.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/1af6e5aa-dbd4-49d6-ad2c-e1fc65dab0c9/cules_son_los_pa_ses_comunistas_en_la_actualidad.pdfIn PDF document text
- http://bulafiko.pbworks.com/w/file/fetch/144935013/battlefield_1_apk.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/db24ede5-50db-4498-8829-f7736a6ec0c4/how_to_unblock_blocked_websites_at_school.pdfIn PDF document text
- http://jitijaloj.pbworks.com/w/file/fetch/144919836/23994249954.pdfIn PDF document text
- http://kedetuwi.pbworks.com/f/sebinewejasodimo.pdfIn PDF document text
- http://gitixofipoxu.pbworks.com/f/paul_newbold_statistics_for_business_and_economics_solutions.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/148303e1-7333-4e10-a72b-b36e48b24b8d/1689140930.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ff639fa1-cc05-486e-8531-ae4f874def95/moto_g6_plus_frp_unlock.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e21fd967-7a94-4c5e-8b34-e8854f9bc3c2/reclaim_your_heart_used_book.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7ecde01f-cc85-479e-87fd-d6c6f8eace83/pikinozesalori.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/45436114-0d50-4be5-99b0-211e751b6dab/steel_design_william_segui_5th_edition.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_off0000d67a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD67A | 5816 bytes |
SHA-256: 6a6da7790398ab157edd4a18778e768b8b71f646f657319e86d82687b0bfd677 |
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font_01_sfnt_off0000ea2d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA2D | 15776 bytes |
SHA-256: 5f224fabd5b3a115fb737c7181ba750c3e38bad07efd91131c5b98f36b0b179f |
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