MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links to other PDF files hosted on various domains, a technique often used for SEO spam or to distribute malicious content. The ML classifier also flagged this PDF as malicious with high confidence. The document body contains a reference to 'ajax php mysql form' and the authoring application 'wkhtmltopdf', suggesting a web-generated document designed to appear as a form or informational page, but which primarily serves to redirect users to a link farm.
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://ameenahsan.in/uploads/1/3/0/5/130589279/130589279.html#ajax+php+mysql+form PDF link annotation
- http://soltricityonline.com/uploads/1/3/0/4/130488875/621c21e.pdfIn PDF document text
- http://ontariomotorcyclelaw.com/uploads/1/3/0/7/130775374/zuxuroneg-xurisubu.pdfIn PDF document text
- http://rugbyid.com/uploads/1/3/1/3/131380606/1840158.pdfIn PDF document text
- http://givingbackglobally.com/uploads/1/3/0/5/130543848/37278b.pdfIn PDF document text
- http://creativeconsultingsolutions.org/uploads/1/3/0/8/130814227/3e46c.pdfIn PDF document text
- http://microsofttempejllproposal.com/uploads/1/3/0/7/130775551/nuseso.pdfIn PDF document text
- http://studio-backstage-paris.com/uploads/1/3/0/3/130313555/9001479.pdfIn PDF document text
- http://zoelle.net/uploads/1/3/0/9/130969997/3122745.pdfIn PDF document text
- http://power4lifenow.com/uploads/1/3/0/4/130488396/d915466b2d.pdfIn PDF document text
- http://clickfourhelp.com/uploads/1/3/1/8/131872286/8562076.pdfIn PDF document text
- http://kokoandfriends.com/uploads/1/3/0/4/130478868/ca7dd8b5e993.pdfIn PDF document text
- http://scribblesandwhispers.com/uploads/1/3/1/3/131380438/jetixe_xubiribox.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 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000051c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x51C1 | 11584 bytes |
SHA-256: 565584b6efbdbc073dbfa74f79487574ef3d00ce3db0515d1a55bed24e2e6b41 |
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