MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various PDF files on different domains. The ML classifier also strongly indicated maliciousness. This suggests the document is designed to act as a link farm, potentially for SEO manipulation or to distribute further malicious content through the linked PDFs.
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://xrossingborders.net/uploads/1/3/0/5/130589070/130589070.html#motores+de+polos+sombreados PDF link annotation
- http://atasteofsummit.com/uploads/1/3/1/4/131483143/57cb5f5dd52f8e.pdfIn PDF document text
- http://donsullivanfineart.com/uploads/1/3/0/5/130543006/kewaw.pdfIn PDF document text
- http://smartmobilityusa.com/uploads/1/3/0/9/130969415/526fb26.pdfIn PDF document text
- http://bergenandcompany.com/uploads/1/3/1/4/131406153/vulid.pdfIn PDF document text
- http://myelectricalservices.com/uploads/1/3/0/5/130589125/pibirerile.pdfIn PDF document text
- http://compassionatelivingcourse.com/uploads/1/3/0/5/130543980/dodesepanakebus_nunukok_jatazelexox_juxumomulate.pdfIn PDF document text
- http://unikwities.com/uploads/1/3/0/3/130379151/7393228.pdfIn PDF document text
- http://sinmaps.com/uploads/1/3/0/7/130740391/sebarupojo_risavazubefo_ludusu.pdfIn PDF document text
- http://reversemortgageinfocenter.net/uploads/1/3/1/3/131383416/sujuxazikusemexoxi.pdfIn PDF document text
- http://activekidzyoga.com/uploads/1/3/0/3/130313323/1124609.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
- https://fedoraproject.org/wiki/Licensing/LiberationFontLicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00009b1c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9B1C | 11152 bytes |
SHA-256: de4ce61c2325953e135c68061318c9929b03f8b2ec2c27d7b1bf778824431706 |
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font_01_sfnt_off0000c013.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC013 | 2828 bytes |
SHA-256: cfb3357b20fb01955c1e4a0ed568c791e3a97db8f0fbaa18432a833eaa1d19da |
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