MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a large number of external links, many of which point to other PDF files hosted on various domains, suggesting a link farm or redirection mechanism. The document body, though partially corrupted, includes a URL that mimics a search result for a textbook solutions manual, likely a lure to encourage users to click on the embedded malicious links. The ML classifier strongly indicated maliciousness, and the PDF structure with numerous external links is a common tactic for distributing malware.
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://host64.carmichaelnl.com/uploads/1/3/0/7/130776514/130776514.html#financial+and+managerial+accounting+for+mbas+3rd+edition+solutions+manual PDF link annotation
- http://wellnow212.com/uploads/1/3/0/2/130287295/mudosoku.pdfIn PDF document text
- http://jenalexis.com/uploads/1/3/1/0/131070895/a5d340112911.pdfIn PDF document text
- http://cpanel.accutypeservices.com/uploads/1/3/1/3/131380404/nuxabodulunutigasaj.pdfIn PDF document text
- http://cpanel.lllofts.com/uploads/1/3/0/2/130291036/mukop.pdfIn PDF document text
- http://happyfulfilledlife.com/uploads/1/3/0/7/130739936/2794498.pdfIn PDF document text
- http://bghsboosters.org/uploads/1/3/1/4/131437331/wolezibesokulugolan.pdfIn PDF document text
- http://myjgallagher.com/uploads/1/3/0/4/130476709/kijawukodumil.pdfIn PDF document text
- http://resistefilm.com/uploads/1/3/0/7/130739686/8706780.pdfIn PDF document text
- http://adentarussia.com/uploads/1/3/0/3/130313063/2bc33.pdfIn PDF document text
- http://doubleheartsoapcompany.com/uploads/1/3/0/3/130312952/2612be8f6ac7.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_off00006afe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6AFE | 9844 bytes |
SHA-256: aab581202d0d00033a50e103dc32498f6c96d41e4421d10a5580c1e4b9477a25 |
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