MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
T1059.001 PowerShell
The PDF file contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic. The document body, though partially corrupted, contains text related to 'Tutorial unity3d bahasa indonesia' and the authoring application 'wkhtmltopdf', suggesting a lure document. The primary attack pattern involves directing users to a large farm of external URLs, likely for SEO poisoning or to distribute further malicious payloads. No scripts were extracted from this sample.
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://pentak.org/uploads/1/3/1/6/131606197/131606197.html#tutorial+unity3d+bahasa+indonesia PDF link annotation
- http://ns.cityofbeaufort.com/uploads/1/3/0/8/130814909/vixogubidakel-gulaguzowet-boped-xarigoju.pdfIn PDF document text
- http://70v1l.slpny.com/uploads/1/3/0/9/130968915/gakasotugon.pdfIn PDF document text
- http://hooshmandintelligence.com/uploads/1/3/0/2/130291433/wezifimimirud.pdfIn PDF document text
- http://aerialstudios.net/uploads/1/3/0/6/130621089/waridel-tudofunitixipov-mumelodobujijar.pdfIn PDF document text
- http://slfexhibition.com/uploads/1/3/0/4/130477039/9000201.pdfIn PDF document text
- http://miraas.xyz/uploads/1/3/0/6/130604361/588326.pdfIn PDF document text
- http://webdisk.147east.com.au/uploads/1/3/1/4/131409167/701dda8e234f0a4.pdfIn PDF document text
- http://mta-sts.ironcastlemarketing.com/uploads/1/3/0/8/130813654/1253784.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://xitaluwezu.files.wordpress.com/2020/06/34782459109.pdfIn PDF document text
- https://vipodujenij.files.wordpress.com/2020/06/95860281999.pdfIn PDF document text
- https://wunugevakel.files.wordpress.com/2020/06/27725219426.pdfIn PDF document text
- https://foxiwip.files.wordpress.com/2020/06/20904534142.pdfIn PDF document text
- https://nogitodidevu.files.wordpress.com/2020/06/lafiwemodilepinugosari.pdfIn 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_off00005f4d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F4D | 10484 bytes |
SHA-256: bf3bd3a8cdead1fab2dd5ef5c1bbd9312d3b171077f113426f2cf9f4bedd79d1 |
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