MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1598 External Remote Services
The PDF document contains a mass of external links, many of which are numerically or generically named PDFs hosted on various domains. This pattern is indicative of a link farm or SEO spam campaign designed to drive traffic to potentially malicious or deceptive websites. The document body, though heavily obfuscated, contains references to a guide and the authoring tool, suggesting a pretext for the embedded links. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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://tarasnaumenko.com/uploads/1/3/1/4/131437677/131437677.html#ib+language+ab+initio+guide+2017 PDF link annotation
- http://airportcityinvest.com/uploads/1/3/0/5/130589126/xolavarififa-kotejigudok-xojorifabezebax.pdfIn PDF document text
- http://losdospaelleros.com/uploads/1/3/0/5/130551364/4751741.pdfIn PDF document text
- http://yourbankproduct.com/uploads/1/3/0/7/130774965/xozesegosifasar_jetedetibatole.pdfIn PDF document text
- http://divinelylit.net/uploads/1/3/0/9/130968906/5a2c4e07269121e.pdfIn PDF document text
- http://workwithamma.com/uploads/1/3/1/3/131379031/gopota.pdfIn PDF document text
- http://jaredshechtman.com/uploads/1/3/0/4/130475918/gabusivi.pdfIn PDF document text
- http://dragonboutique.org/uploads/1/3/1/4/131438419/1e0830eb9ff80e2.pdfIn PDF document text
- http://josh-ortiz.com/uploads/1/3/0/5/130551704/jenejalaj.pdfIn PDF document text
- http://tcj-gaming.com/uploads/1/3/0/7/130739595/nujoxogiti.pdfIn PDF document text
- http://buteykobreathingeducators.com/uploads/1/3/0/5/130538840/cd2e916.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_off00005d89.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D89 | 11568 bytes |
SHA-256: 206258017452ccab28a4fe6c6aa182f5033316e923312b60af10687e89d88770 |
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