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, many of which point to domains with numeric slugs and appear to be part of a link farm. The ML classifier strongly indicated maliciousness. The document body, though heavily obfuscated, contains a URL that appears to be the primary lure. No scripts were extracted, limiting the analysis of direct execution capabilities.
Machine Learning
- Nyx PDF Classifier malicious score 0.9925
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://fletchertavern.com/uploads/1/3/0/4/130478004/130478004.html#factoring+by+greatest+common+factor+answers PDF link annotation
- http://smooth-resolve.com/uploads/1/3/1/4/131437715/5485113.pdfIn PDF document text
- http://pawspharm.com/uploads/1/3/0/7/130776138/288024.pdfIn PDF document text
- http://missionsquarewhittier.com/uploads/1/3/0/6/130605076/5386eafb1682f4.pdfIn PDF document text
- http://scheridan.com/uploads/1/3/0/4/130435780/fusexu.pdfIn PDF document text
- http://makeemmiss.com/uploads/1/3/1/6/131636914/6849496.pdfIn PDF document text
- http://kreweclothing.com/uploads/1/3/1/3/131380087/kuvipumu-pavole-xefetokunuz.pdfIn PDF document text
- http://familyandbusinesslearning.com/uploads/1/3/1/4/131407588/wodakupimefazi-bazel-mirise-ditobu.pdfIn PDF document text
- http://robinthewriter.net/uploads/1/3/1/3/131384663/7e6146db06991.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_off0000bb9e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB9E | 8088 bytes |
SHA-256: 538ffdd97086ebf3daa47cc23854a89c7af8518ca981c418f84d734eec5536c9 |
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font_01_sfnt_off0000db29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB29 | 2652 bytes |
SHA-256: 3d52fc27d04b8b84b219df719738f768697e09c2050136bc1fe69fcddf4eca6e |
|||
font_02_sfnt_off0000e48f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE48F | 16208 bytes |
SHA-256: b4eaba1313c2ae02e0840532e8df49817f4492e706e7fc7006fa435ca033da2a |
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