MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of external links, many of which point to other PDF files hosted on various domains. This suggests a link farm or a mechanism to distribute malicious content. The heuristic 'PDF_SEO_LINK_FARM' specifically flags this behavior, indicating a likely attempt to manipulate search engine results or distribute malware through a network of seemingly legitimate documents. No scripts were extracted, and the document body is heavily obfuscated, making it difficult to determine a more specific attack pattern beyond link distribution.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
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://related-words.anyball.info/uploads/1/3/2/7/132740384/132740384.html#methanol+oxygen+fuel+cell+pdf PDF link annotation
- http://inclusiveaccess.net/uploads/1/3/1/0/131070197/867203.pdfIn PDF document text
- http://autodiscover.giuliosartisanalpasta.com/uploads/1/3/0/4/130436154/e6c002.pdfIn PDF document text
- http://artdubois.ca/uploads/1/3/0/6/130604566/felokewugowefotopogu.pdfIn PDF document text
- http://elemonline.com/uploads/1/3/1/8/131872185/e3d39d0117bf660.pdfIn PDF document text
- http://margaret-lilly-co.com/uploads/1/3/0/7/130776324/616f7e.pdfIn PDF document text
- http://holyspiritfremontrcia.org/uploads/1/3/0/9/130969407/veduwawofudomofo.pdfIn PDF document text
- http://svalc.org/uploads/1/3/1/1/131164132/8f91b51f05.pdfIn PDF document text
- http://tresley.com/uploads/1/3/0/7/130739663/8cd30b04.pdfIn PDF document text
- http://podollansa.devsite-1.com/uploads/1/3/0/3/130379070/2051934.pdfIn PDF document text
- http://radiofreechristianity.com/uploads/1/3/0/6/130620868/wafebizukalarozi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000aedb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAEDB | 5152 bytes |
SHA-256: 0b60767220137490e96a48426504f9998ff9e62cb7b20de06a3c87207d9ea57a |
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font_01_sfnt_off0000c078.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC078 | 11976 bytes |
SHA-256: c1848eb9fe90cb52e6f023d211f7bcfc4edbdf6cede7317031d556b2ca8865e5 |
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