MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
The PDF file contains a large number of external links to other PDF documents hosted on various domains. This behavior is indicative of a link farm or a mechanism to distribute further malicious content. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious intent. No scripts were extracted, and the document body is largely unreadable binary data, making it difficult to determine the exact payload or purpose beyond link distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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://peacefulfarewell.com/uploads/1/3/0/8/130873965/130873965.html#precision+exactitud+y+resolucion+de+un+instrumento+de+medicion PDF link annotation
- http://def-mbl.org/uploads/1/3/0/2/130270874/bebojuseja.pdfIn PDF document text
- http://garlysboutique.com/uploads/1/3/1/0/131071298/339781.pdfIn PDF document text
- http://galaxychocolates16.com/uploads/1/3/0/4/130475994/e1e6dc2.pdfIn PDF document text
- http://wcbbbs.org/uploads/1/3/0/7/130775589/114cbc9.pdfIn PDF document text
- http://nwalife.org/uploads/1/3/1/4/131437566/fofewozususamo.pdfIn PDF document text
- http://staffingspecialistaz.com/uploads/1/3/0/4/130435531/122861aaa80a4ff.pdfIn PDF document text
- http://glassworx.info/uploads/1/3/0/5/130539287/c2cc5.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
🗂 Part of campaign:
cartcootiecovers.com
4 samples
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007ba5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7BA5 | 10044 bytes |
SHA-256: aed64c97238054a6b605a1616f19e473fbf29bb4205538badf4931de83f0de97 |
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font_01_sfnt_off00009efc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9EFC | 2964 bytes |
SHA-256: 6aea181b4ca5e1e7a9e814e0a0cda763fae6c820df400ef7f7abdd358d959726 |
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font_02_sfnt_off0000a921.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA921 | 16036 bytes |
SHA-256: 779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63 |
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