MALICIOUS
156
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 5
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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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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://traffset.ru/strik?keyword=hotmail+email+account+size PDF link annotation
- https://fuparududewon.weebly.com/uploads/1/3/1/8/131856041/6426396.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4372358/normal_5f8c44a93bc2c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4447874/normal_5faa587c49e11.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367951/normal_5f8a2377d305e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4459058/normal_5fa50538af9df.pdfIn PDF document text
- https://sivagodumojuji.weebly.com/uploads/1/3/4/2/134235915/7161364.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/75473bdd-e5be-4480-bdbd-1480405075a1/32642445883.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6ed6dae0-4971-47cd-82ab-82601b97b1e3/31910507316.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/03ce3fe4-5dd4-42ec-97d9-472f9a59a914/example_of_a_tertiary_protein.pdfIn PDF document text
- https://s3.amazonaws.com/bevekizadoxuj/posozabitegojuzebozew.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bd379a10-f26c-48e9-8a8d-9872c2e355fb/28806850669.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_off0000c40b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC40B | 4860 bytes |
SHA-256: 2f359446b5f6dff6ff9fa65c5a2a6c6b16f8299cf6d7b406c48ec516dec609f2 |
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font_01_sfnt_off0000d47f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD47F | 10700 bytes |
SHA-256: fa2c952ea73ca6bdaff182326d39370a6558eb70aefeb54179624d17795b06ce |
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