MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector infrastructure. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains the URL that is also present in the heuristic findings, suggesting a lure to external content. No scripts were extracted, limiting the analysis of direct execution.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://ttraff.com/pify?keyword=ellipse+generating+algorithm+in+computer+graphics+pdf
- http://files.menortheast.org/uploads/1/3/1/4/131482941/bixeto_rugorako_fiwewoxoj.pdf
- http://nulugon.armsoflife.com/uploads/1/3/1/0/131070493/2433303.pdf
- http://files.flower-scentral.com/uploads/1/3/1/4/131437074/37cf1911.pdf
- http://files.impassionedyarn.com/uploads/1/3/1/4/131411688/balininowituxa_towaw_wuwebuzus.pdf
- http://bexotaz.kilmoreshow.org/uploads/1/3/1/4/131438809/3231627.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0447/9343/0177/files/ceiling_design_for_hall.pdf
- https://cdn.shopify.com/s/files/1/0429/2886/5446/files/52991543571.pdf
- https://cdn.shopify.com/s/files/1/0436/2603/7411/files/income_statement_forecast_template.pdf
- https://cdn.shopify.com/s/files/1/0428/4956/6886/files/18009209739.pdf
- https://cdn.shopify.com/s/files/1/0434/2421/9293/files/gibonap.pdf
- https://cdn.shopify.com/s/files/1/0434/6504/8214/files/avoir_conjugation_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0428/1673/3340/files/42504681702.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006e4f.bin0887ad7bc1d219b309c32f6bd99c71d9cbccb71d2ae509f5e52ec2b21260d9b0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E4F | 5524 bytes |
font_01_sfnt_off000080e6.bina485abcd8e5189f2898a5f9d1e00d16e9df6a04b83883d6f78ee713d9f939ca1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x80E6 | 16840 bytes |
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