MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a heuristic firing for a 'PDF_SEO_LINK_FARM' indicating a large number of embedded external links. The ML classifier also strongly flagged this PDF as malicious. The document body, though heavily obfuscated, contains URLs that are likely part of this link farm, suggesting a lure to potentially malicious websites. No scripts were extracted, but the presence of numerous external links points towards a phishing or content-luring attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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://absystemsllcscam.com/uploads/1/3/0/6/130621052/130621052.html#melones+bollo+wikipedia+las+poses PDF link annotation
- http://opelaz.com/uploads/1/3/0/7/130775501/fuwomuronoforut_towakibi_fovevabe.pdfIn PDF document text
- http://rbcarpentry.org/uploads/1/3/1/4/131406855/8518a63ac139ca7.pdfIn PDF document text
- http://capriexpressllc.com/uploads/1/3/0/2/130271043/jazerebekixog.pdfIn PDF document text
- http://paintmecrazy.com/uploads/1/3/1/0/131069899/gagab.pdfIn PDF document text
- http://gameupnow.com/uploads/1/3/0/6/130604188/41f59ba773b.pdfIn PDF document text
- http://wellnesscenternwj.com/uploads/1/3/0/8/130814769/7232279.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_off00007ab1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AB1 | 9092 bytes |
SHA-256: 7439888365e1a575f63c828adf25fc52a3d3943edcf198aed0cb99fdb8c88603 |
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font_01_sfnt_off00009bcd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9BCD | 2732 bytes |
SHA-256: 4cda5f785b161ab6df9682e6368fd2c101e9aa902a3f31947a361fc50cf1a95c |
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font_02_sfnt_off0000a584.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA584 | 16036 bytes |
SHA-256: 779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63 |
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