MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a large number of external links, identified as a 'PDF_SEO_LINK_FARM' heuristic. These links point to various PDF files hosted on numerous domains, suggesting an attempt to manipulate search engine results or distribute content. The ML classifier also strongly indicated maliciousness. 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 0.9999
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://savannahsmedicalmassage.com/uploads/1/3/1/4/131453096/131453096.html#autoclave+validation+protocol+pdf PDF link annotation
- http://mta42.somekindofsimple.com/uploads/1/3/0/5/130540420/lodemud.pdfIn PDF document text
- http://bramblewoodpublishing.co.uk/uploads/1/3/0/5/130550859/delonodab.pdfIn PDF document text
- http://5-aas.com/uploads/1/3/0/4/130483368/jejoxixo.pdfIn PDF document text
- http://grannygoesgreen.maryhigginswebdesign.com/uploads/1/3/0/5/130543543/bf796eda9.pdfIn PDF document text
- http://midwestmines.com/uploads/1/3/0/6/130620406/rubojizejolanexo.pdfIn PDF document text
- http://hostmaster.esessence.co.uk/uploads/1/3/0/5/130539517/9d5ebe6de189.pdfIn PDF document text
- http://swcounselingexam.com/uploads/1/3/0/3/130379151/bugoj_wevuxesotexipe_wuwobutevulukiv.pdfIn PDF document text
- http://reclaiminghopecounseling.com/uploads/1/3/0/7/130739786/1513834e0ffe5f4.pdfIn PDF document text
- http://savannahsmedicalmassage.com/uploads/1/3/1/4/131453096/terms.htmlIn PDF document text
- http://savannahsmedicalmassage.com/uploads/1/3/1/4/131453096/dmca.htmlIn PDF document text
- http://savannahsmedicalmassage.com/uploads/1/3/1/4/131453096/policy.htmlIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://segemabo.files.wordpress.com/2020/06/75537621169.pdfIn PDF document text
- https://riduvetixaxu.files.wordpress.com/2020/06/vuvefidevagamikezep.pdfIn PDF document text
- https://vokosufike.files.wordpress.com/2020/06/dadose.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 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000619a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x619A | 10824 bytes |
SHA-256: 4d6f5b5b64cd241f1e05026561769b7ca519237f28e65971b59053c41ce02461 |
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