MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Phishing: Spearphishing Attachment
T1204.002 Malicious File: Malicious Link
The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various PDF files hosted on different domains. The ML classifier also strongly indicated maliciousness. This suggests the document is part of a link farm designed to manipulate search engine results or to distribute further malicious content via the linked PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 4
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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 http://bobbiandpin.com/uploads/1/3/1/0/131071312/131071312.html#elips+te%25C4%259Fet+denklemi PDF link annotation
- http://myytr.info/uploads/1/3/0/7/130775021/521c4.pdfIn PDF document text
- http://mta-sts.oldfashionedsoap.com/uploads/1/3/0/9/130970016/luwibodukezofu.pdfIn PDF document text
- http://alanabytamya.com/uploads/1/3/1/3/131379045/6873655.pdfIn PDF document text
- http://domesticviolenceexpertwitness.org/uploads/1/3/0/6/130604042/vusozokeg.pdfIn PDF document text
- http://wedosailingclubinsurance.com/uploads/1/3/0/5/130590592/e1cf5b.pdfIn PDF document text
- http://obrienkelsey.com/uploads/1/3/1/1/131164568/4d457f90c51d612.pdfIn PDF document text
- http://mta-sts.gestipeople.com/uploads/1/3/0/7/130738962/tigerapigataxe-jokovose-velidi-pakalur.pdfIn PDF document text
- http://nancybtechdesign.com/uploads/1/3/1/4/131453850/mopume.pdfIn PDF document text
- http://hopscotchcreativesupport.com/uploads/1/3/0/5/130589007/3771170.pdfIn PDF document text
- http://fontawesome.iohttp://fontawesome.io/license/In PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://kumitewefa.files.wordpress.com/2020/06/3344299264.pdfIn PDF document text
- https://mawumobu.files.wordpress.com/2020/06/bilejivagojoruzejabudus.pdfIn PDF document text
- https://bixibirame.files.wordpress.com/2020/06/ridevobupinej.pdfIn PDF document text
- https://rigumiroviwe.files.wordpress.com/2020/06/60260578692.pdfIn PDF document text
- https://nolomijavugi.files.wordpress.com/2020/06/5586570131.pdfIn PDF document text
- https://nafegef.files.wordpress.com/2020/06/kexamidexogi.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000743f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x743F | 1636 bytes |
SHA-256: dc08f4ebee4f90b423cf9730481f6da522c1b08a05cee939e9f2f19c45a67042 |
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font_01_sfnt_off00007c3a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C3A | 2868 bytes |
SHA-256: 71dfcedddd6dca67c5a4363feccf7167d3ae972506d392ed06afc8b65f639172 |
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font_02_sfnt_off00008667.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8667 | 13448 bytes |
SHA-256: e150831710f1a50d647f8b97f7dd7d5ffc92478a5b05374724818838c4e7f71b |
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font_03_sfnt_off0000b12a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB12A | 16256 bytes |
SHA-256: fc8eff8a4acdabd6eda280b41f9ac1580bef3840fc57dff74b74378ffd71ad3a |
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