MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to obscure the ultimate malicious URL. One of the primary URLs, https://ponafet.ru/strik, is presented with a query parameter suggesting it is related to an audio driver download, a common lure for phishing attacks.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://ponafet.ru/strik?utm_term=audio+driver+for+windows+10+%252864-bit%2529+-+lenovo+g500 PDF link annotation
- https://rufekelikofevav.weebly.com/uploads/1/3/1/0/131070689/sovipapebega_faxozusa_befatanebirugij_xebobonibanafu.pdfIn PDF document text
- https://cdn.sqhk.co/viwiratoposu/fidFgdk/63603095765.pdfIn PDF document text
- https://rawekawus.weebly.com/uploads/1/3/4/4/134467784/2662182.pdfIn PDF document text
- https://nozirurabi.weebly.com/uploads/1/3/0/7/130738896/watoxujedepew_tebelumesilabit.pdfIn PDF document text
- https://puzelosepe.weebly.com/uploads/1/3/5/3/135317481/392486.pdfIn PDF document text
- https://cdn.sqhk.co/wobimore/eghidij/48861600854.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4412379/normal_6039ec2a38622.pdfIn PDF document text
- https://cdn.sqhk.co/remimidotomi/0ijhbhd/zipezekofewe.pdfIn PDF document text
- https://cdn.sqhk.co/wugunifikezu/igVjhid/gmx_cloud_windows_10_download.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4456712/normal_6055823890291.pdfIn PDF document text
- https://cdn.sqhk.co/kigaratak/chbAhcK/jifuvapegi.pdfIn PDF document text
- https://cdn.sqhk.co/kuxaroposa/WJiagdk/business_strategy_and_tactics_examples.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://uploads.strikinglycdn.com/files/e64334bc-ebf6-4a9c-b216-2d6af4e3daba/xelizezakilavedowataviwi.pdfIn PDF document text
- https://63a0a607-6d1b-4b95-a813-f1b07cabc719.filesusr.com/ugd/ad56f2_1e3eb792b0bf488cab46d14223841643.pdf?index=trueIn PDF document text
- https://2a497570-3881-454f-aefc-229a18bbdf22.filesusr.com/ugd/83e24f_1db483c3a1b04e7e86fee7c0854db719.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/a082b267-a2f3-4d08-8940-25e367ffbd77/gunobeguba.pdfIn PDF document text
- https://fc06435f-e709-4c80-b59d-96fa470c1a13.filesusr.com/ugd/bdc04d_c3b039dd0b13497aad15399a1c07eea2.pdf?index=trueIn PDF document text
- https://e25b7b56-d8f7-44cb-9276-56428e53d1cc.filesusr.com/ugd/63f3e8_f713db201fa54a26aa586c0c61932738.pdf?index=trueIn PDF document text
- https://5849b288-062f-49f8-a71b-da420f1f00fd.filesusr.com/ugd/c068f8_217f2c7514b84211a77b835eff442b01.pdf?index=trueIn 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f7a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7A5 | 5776 bytes |
SHA-256: 81c4878d4ef29203ca2d98b11e674dc8637c4c94235e3880207d9df0a78562bf |
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font_01_sfnt_off00010b9c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B9C | 11148 bytes |
SHA-256: d8c2d587da595ab20c60bb89c6405c6fc52fc77a97d026282752ef04c318d6d4 |
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font_02_sfnt_off0001318b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1318B | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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