MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links, one of which points to a known malicious redirector (ttraff.com). The document body, though heavily obfuscated, also contains this URL, suggesting an attempt to lure the user to malicious content. The presence of a large number of external PDF links, many hosted on Shopify, indicates a link farm strategy, likely to improve SEO for malicious content or to obscure the true destination. The ML classifier strongly flagged this PDF as malicious.
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=vikings+series+4+episode+guide
- http://jozid.ecigsuperstores.co.uk/uploads/1/3/0/9/130969045/f8d2a.pdf
- https://cdn.shopify.com/s/files/1/0431/6577/8076/files/tropic_seas_spas.pdf
- https://cdn.shopify.com/s/files/1/0430/4352/0665/files/bufafujolebeziw.pdf
- https://cdn.shopify.com/s/files/1/0431/1734/6965/files/zisabiten.pdf
- https://cdn.shopify.com/s/files/1/0431/6423/7988/files/13855638982.pdf
- https://cdn.shopify.com/s/files/1/0434/6786/6278/files/dbrau_date_sheet_2019_sarkari_result.pdf
- https://cdn.shopify.com/s/files/1/0432/5212/1762/files/59272270257.pdf
- https://cdn.shopify.com/s/files/1/0427/5542/4423/files/refuni.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bibekejufalakudogaloseja.pdf
- https://cdn.shopify.com/s/files/1/0428/6644/2406/files/54999233539.pdf
- https://cdn.shopify.com/s/files/1/0434/1425/7815/files/craftsman_109._20630_lathe_manual.pdf
- https://cdn.shopify.com/s/files/1/0433/0697/5382/files/wefuvopun.pdf
- https://cdn.shopify.com/s/files/1/0432/8249/7701/files/carpentry_tools_and_equipment.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000615d.bin880a4cb4aaa851174e952743314032c2e07ea5d4a1f39d90ed77f811a920e7a8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x615D | 5000 bytes |
font_01_sfnt_off00007277.bin9b37d450acd9c7656faff274edb366255141264653bed7b73427f6262561139b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7277 | 14356 bytes |
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