MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains numerous embedded URLs pointing to external PDF files hosted on various domains. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external PDF links, suggesting a link farm or distribution mechanism. While no scripts were explicitly extracted, the presence of embedded URLs and the ML classification strongly suggest malicious intent, likely to direct users to malicious content or for SEO manipulation. The document body contains garbled text mixed with a URL and metadata, further supporting the lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://adventureinstincts.com/uploads/1/3/0/8/130873736/130873736.html#come+si+calcola+il+volume+del+cubo+formula PDF link annotation
- http://iprocolorado.com/uploads/1/3/1/1/131164394/8308497.pdfIn PDF document text
- http://101taiwantour.com/uploads/1/3/0/8/130813592/3cf0110.pdfIn PDF document text
- http://miraclesforlife.net/uploads/1/3/1/4/131453449/c561344af799235.pdfIn PDF document text
- http://tibbstibbs.com/uploads/1/3/1/3/131384171/f37b051.pdfIn PDF document text
- http://graceandgritenumclaw.com/uploads/1/3/0/9/130969850/balexawedodedaw.pdfIn PDF document text
- http://lifeinchinatown.com/uploads/1/3/1/3/131380031/danuwajuketax.pdfIn PDF document text
- http://drbreeawillingham.com/uploads/1/3/1/4/131407281/jemani.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_off00008af5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8AF5 | 9700 bytes |
SHA-256: d6968c3056df86204bd52810814cc44e2a7a7dde0657b0733e4afc9a6c287fc9 |
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font_01_sfnt_off0000ae44.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE44 | 2800 bytes |
SHA-256: 9f5082701ede3b34412025578f3613d16372f7e661c8785cd8d7b7f4cdd3c0ca |
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font_02_sfnt_off0000b825.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB825 | 16176 bytes |
SHA-256: 04ea25da2c70496e6fa9ff7c8b7f148d557dce34a839e1da1a3a09c7673f2869 |
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