MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to potentially malicious redirectors or link farms. The document body, though heavily obfuscated, contains a URL that appears to be a redirector. The ML classifier strongly indicates maliciousness, and the presence of numerous external links suggests an attempt to drive traffic to malicious sites, likely for phishing or malware distribution.
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=baidu+spark+browser+free
- http://rufow.amandalmia.com/uploads/1/3/0/9/130969723/majawu.pdf
- http://files.photographybyemmaclaire.com/uploads/1/3/0/8/130814283/nifigitiginamujare.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/3609/0267/files/tejukapowomifopabanix.pdf
- https://cdn.shopify.com/s/files/1/0430/2284/4067/files/wild_fire_scooters.pdf
- https://cdn.shopify.com/s/files/1/0428/0621/4819/files/3089685666.pdf
- https://cdn.shopify.com/s/files/1/0432/6152/6166/files/bevavakusufetometize.pdf
- https://cdn.shopify.com/s/files/1/0432/2131/9839/files/como_fazer_referencia_bibliografica_de_livro_em.pdf
- https://cdn.shopify.com/s/files/1/0429/8830/6586/files/temperature_conversion_celsius_to_fahrenheit_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0428/1974/8006/files/25808202846.pdf
- https://cdn.shopify.com/s/files/1/0431/1403/7409/files/dodolorut.pdf
- https://cdn.shopify.com/s/files/1/0429/3810/6023/files/rozazefenamuwo.pdf
- https://cdn.shopify.com/s/files/1/0429/0589/5075/files/dafazapojowoxibemil.pdf
- https://cdn.shopify.com/s/files/1/0440/4389/4934/files/janugopuzewepo.pdf
- https://cdn.shopify.com/s/files/1/0427/9776/0668/files/25517688014.pdf
- https://cdn.shopify.com/s/files/1/0437/9040/1687/files/convert_file_to_javascript.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_off0000634c.bind659586833093b066fc5c29c109a481eb8cd9778120af7e05676b4db53db6600 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x634C | 5348 bytes |
font_01_sfnt_off0000759a.bin8e92450f8cbbaf1ae896d2b8df8be63e35c44d3f1d682f10dea3efcdb7e07a37 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x759A | 9764 bytes |
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