MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, with a primary suspicious URL identified. The ML classifier strongly indicates maliciousness. The document body, though partially corrupted, contains text related to 'ancient china civilization facts' and the suspicious URL, suggesting a lure. The presence of multiple external links, including one flagged as suspicious, points towards a link farm or SEO manipulation tactic to drive traffic to malicious sites.
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 https://trafficel.ru/123?keyword=ancient+china+civilization+facts
- https://cdn-cms.f-static.net/uploads/4377102/normal_5fa5e03498980.pdf
- https://cdn-cms.f-static.net/uploads/4380228/normal_5fa0ebf70d7d7.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://uploads.strikinglycdn.com/files/35499081-5541-4dcb-8e2d-16cb11c0a2ca/resmed_s9_service_manual.pdf
- https://uploads.strikinglycdn.com/files/30aa7155-2798-474f-a4aa-b6ab3e62a500/37348571392.pdf
- https://s3.amazonaws.com/xebareto/16887027068.pdf
- https://s3.amazonaws.com/petikamov/pdf_keller_marketing_management.pdf
- https://uploads.strikinglycdn.com/files/99ae2203-a5c7-46f7-af1b-ffc016a1196b/notojuzatab.pdf
- https://s3.amazonaws.com/kizugokofo/john_horn_high_school_staff.pdf
- https://bekovepevim.files.wordpress.com/2020/11/leniwibewuwiweki.pdf
- https://uploads.strikinglycdn.com/files/ed68f5af-70a7-44b0-89a3-c7f0e07db1ee/intermediate_algebra_alan_s_tussy_5th_edition.pdf
- https://s3.amazonaws.com/purufiz/sabiva.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007505.bin5b09dd4e83240da9d220e18cc85a6ac1ecf94383a5f207f8e6d4bf59a52a66be |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7505 | 12336 bytes |
font_01_sfnt_off00009ccb.bin8bc71bb70543087edf2e3b0be0899bd7a6646747f54fd4147f8e5694c55d75c4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9CCB | 4760 bytes |
font_02_sfnt_off0000acf6.bin376463b20091d4e8930bc9ef03d08ce8df3632e728441d62ac8c556114ac9738 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xACF6 | 10472 bytes |
font_03_sfnt_off0000d0d7.bincd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0D7 | 4324 bytes |
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