MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, a common technique for SEO link farms or redirecting users to malicious sites. The 'ML_NYX_PDF_MALICIOUS' and 'CLAMAV_DETECTION' heuristics strongly indicate malicious intent. The embedded URL 'https://trafffe.ru/strik?utm_term=top+20+hits+2020+youtube' and the PDF link farm pointing to 'https://kuzogirig.weebly.com/uploads/1/3/4/7/134748708/987bd1eda7b12.pdf' are the highest priority IOCs, suggesting a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9624
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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PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILEDThe cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PDFSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
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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://trafffe.ru/strik?utm_term=top+20+hits+2020+youtube PDF link annotation
- https://kuzogirig.weebly.com/uploads/1/3/4/7/134748708/987bd1eda7b12.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4451930/normal_5fa148a1d7701.pdfIn PDF document text
- https://mumixiginuwogi.weebly.com/uploads/1/3/4/7/134752923/d4f18e97e424b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4391909/normal_5fb9dd791ccad.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367940/normal_5fac15230fc69.pdfIn PDF document text
- https://duzareledibasa.weebly.com/uploads/1/3/4/8/134890493/cf4fb9d326.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373239/normal_5fb4788231154.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://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbf48e29ee0f32b8749bc91/1606371555222/6.2_using_resources_wisely_answer_key.pdfIn PDF document text
- https://s3.amazonaws.com/rodiligarexo/format_factory_for_pc_full_version.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc0e5b8a3bf4b14aba92f9c/t/5fc48f683485235c86581aaa/1606717307467/6800592648.pdfIn 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_off0000d398.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD398 | 4808 bytes |
SHA-256: 667ae072501ec075926720db018d118367df7ea860fa30b4cd72e84b63c34e04 |
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font_01_sfnt_off0000e408.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE408 | 10456 bytes |
SHA-256: 15d724f445c763b5e68c5917d5b81b0f36ef1222d2e59c5fa5fed820c18929cd |
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font_02_sfnt_off000107bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107BC | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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