MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier as malicious and contains a large number of external links, many of which point to similarly structured URLs. This suggests a link farm or a distribution point for further malicious content. No scripts were extracted, but the sheer volume of embedded links indicates a high likelihood of user interaction leading to a compromised system.
Machine Learning
- Nyx PDF Classifier malicious score 0.9073
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://host161.carmichaelnl.com/uploads/1/3/1/0/131069806/131069806.html#minimal+pairs+list+pdf PDF link annotation
- http://centrobeautyessence.com/uploads/1/3/0/7/130740498/ca008c83.pdfIn PDF document text
- http://safetymafia.net/uploads/1/3/0/8/130813364/vuxisemezafivojat.pdfIn PDF document text
- http://walkingtourstoronto.com/uploads/1/3/0/6/130604416/7962448a8225.pdfIn PDF document text
- http://fayettevillearhousecleaning.com/uploads/1/3/0/6/130639514/08e72086c5.pdfIn PDF document text
- http://gocustomstamps.com/uploads/1/3/0/4/130435619/xerowadumog_pulakonawuv.pdfIn PDF document text
- http://maddgijoe.com/uploads/1/3/1/3/131380297/9895277.pdfIn PDF document text
- http://gardenviewcreations.com/uploads/1/3/0/2/130273626/e14fd5a552.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000da39.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA39 | 8080 bytes |
SHA-256: bab9af0501ec154a7baeebdb66d21f5622d3bc14af5ead768eae157427bdbdba |
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font_01_sfnt_off0000f96e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF96E | 2768 bytes |
SHA-256: 11eff0542ee112a7a4f3d5fa86892f13f7f7c80edb17354215cea33bb7714487 |
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font_02_sfnt_off00010338.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10338 | 17412 bytes |
SHA-256: 113b20993bb22af9baf9cb28aee1bfd1f06febf032953c1b224f64dda219ace9 |
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