MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. The primary URL, http://studenics.net/uploads/1/3/1/4/131483632/131483632.html#makai+moon+guide, is part of this link farm. While no scripts were explicitly extracted, the nature of the link farm suggests a potential attempt to manipulate search engine results or distribute malicious content via these external links. The ML classifier also strongly indicated maliciousness.
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://studenics.net/uploads/1/3/1/4/131483632/131483632.html#makai+moon+guide
- http://thebigfrack.com/uploads/1/3/0/5/130550782/7362914.pdf
- http://davyjonesfishing.com/uploads/1/3/1/4/131452808/59c4ed2dd20b.pdf
- http://pradindustries.com/uploads/1/3/0/6/130620931/pajaponali-jibusis.pdf
- http://jenesis.info/uploads/1/3/0/7/130775623/jojatowejor.pdf
- http://smarttvnow.com/uploads/1/3/0/8/130814909/lajivupi_nuvedegojijijow.pdf
- http://agreenercanada.com/uploads/1/3/1/4/131437722/4095417.pdf
- http://contextconsultants.co.uk/uploads/1/3/0/6/130639840/vumik_taliziv_ledesimokon.pdf
- http://themombasket.com/uploads/1/3/0/6/130620584/nuxalajinubapuf.pdf
- http://lasna.org/uploads/1/3/0/4/130476502/lilalesaka.pdf
- http://glasspictureproductions.com/uploads/1/3/1/4/131438217/podiwidegowugupuzi.pdf
- http://davestudiorama.com/uploads/1/3/0/3/130313286/4340299.pdf
- http://bcgcollective.com/uploads/1/3/0/7/130776103/289ae.pdf
- http://studenics.net/uploads/1/3/1/4/131483632/terms.html
- http://studenics.net/uploads/1/3/1/4/131483632/dmca.html
- http://studenics.net/uploads/1/3/1/4/131483632/policy.html
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://vitosomuzete.files.wordpress.com/2020/06/tilokedaw.pdf
- https://dukakala.files.wordpress.com/2020/06/85810316579.pdf
- https://tukitifo.files.wordpress.com/2020/06/29809350830.pdf
- https://bokifib.files.wordpress.com/2020/06/97412595187.pdf
- https://pibawiwuruxo.files.wordpress.com/2020/06/jumavepej.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000058ed.bin6a0471db7bbd99e1e14e1cc3f6f5a416de339abaaa3c60be81fee731eb486a40 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x58ED | 10344 bytes |
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