MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, identified by the PDF_SEO_LINK_FARM heuristic, directing users to various websites. The document body, though partially corrupted, contains text related to 'aws certified developer' and includes URLs that appear to be part of a link farm designed to attract traffic. The ML_NYX_PDF_MALICIOUS heuristic strongly indicates malicious intent. No scripts were extracted from this sample, but the extensive use of external links suggests a watering hole or redirection attack.
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://fs13kl.bdgct.com/uploads/1/3/0/6/130620430/130620430.html#aws+certified+developer+-+associate+guide+free+download PDF link annotation
- http://velocityerp.us/uploads/1/3/1/3/131380531/vobinut.pdfIn PDF document text
- http://thebeeskneesllc.com/uploads/1/3/0/6/130639884/2140715.pdfIn PDF document text
- http://ontariomagicians.com/uploads/1/3/1/4/131452840/sewafupewas.pdfIn PDF document text
- http://ashermainecoonkitten.com/uploads/1/3/1/4/131453539/furavebitogod.pdfIn PDF document text
- http://kevinpistole.com/uploads/1/3/0/6/130620563/9665059.pdfIn PDF document text
- http://cfoondemandcr.com/uploads/1/3/0/9/130969355/7137723.pdfIn PDF document text
- http://thehybridacademy.com/uploads/1/3/0/3/130323998/4324329.pdfIn PDF document text
- http://fs13kl.bdgct.com/uploads/1/3/0/6/130620430/terms.htmlIn PDF document text
- http://fs13kl.bdgct.com/uploads/1/3/0/6/130620430/dmca.htmlIn PDF document text
- http://fs13kl.bdgct.com/uploads/1/3/0/6/130620430/policy.htmlIn PDF document text
- https://������.exambible.comIn PDF document text
- https://������.exambible.com/arm-CEIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://nerilofu.files.wordpress.com/2020/05/bunofepopex.pdfIn PDF document text
- https://suxeniruwip.files.wordpress.com/2020/05/beratijeleg.pdfIn PDF document text
- https://wikanoxegi.files.wordpress.com/2020/05/zejipexajowoxupubag.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_off0000590f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x590F | 10100 bytes |
SHA-256: 1d4f2f860c30eab1f88e27af3ed796d076c1cfaac837eafd87179588eff013b0 |
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