MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a significant number of embedded links, with one identified as a known malicious redirector. The ML classifier strongly flagged this PDF as malicious. The presence of a link farm suggests an attempt to distribute malicious content or conduct phishing operations by overwhelming search engines with content and redirecting users to malicious sites.
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.cc/wix?keyword=bee+gees+holiday+piano+sheet
- https://static.usrfiles.com/ugd/b8c837_a7eadc1caf0b4c1e95814b6296c2172f.pdf
- https://static.usrfiles.com/ugd/b8c837_25ba539ba84e406a9d6b52004b1e64aa.pdf
- https://static.usrfiles.com/ugd/b8c837_aacdb2b4e93540f9b50dc859f16f846e.pdf
- https://cdn.shopify.com/s/files/1/0432/7918/8118/files/94799057600.pdf
- https://cdn.shopify.com/s/files/1/0435/4008/6933/files/luluvojozadukarijufuwomid.pdf
- https://cdn.shopify.com/s/files/1/0436/8020/2905/files/free_abstract_reasoning_test.pdf
- https://cdn.shopify.com/s/files/1/0434/7727/0692/files/jenavovirox.pdf
- https://cdn.shopify.com/s/files/1/0435/5712/6295/files/66808205887.pdf
- https://cdn.shopify.com/s/files/1/0471/0671/9894/files/9107544180.pdf
- https://cdn.shopify.com/s/files/1/0427/8000/0422/files/osteoporosis_diet_plan.pdf
- https://cdn.shopify.com/s/files/1/0432/2859/4336/files/strategic_partnership_policy_defence.pdf
- https://cdn.shopify.com/s/files/1/0429/5468/6630/files/74452912684.pdf
- https://cdn.shopify.com/s/files/1/0437/3823/5031/files/27669879339.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_off00004f0e.binc21f03d05097976304ea8520f8cfa9ca49090c661316a9ae68cfe4524279931d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4F0E | 5276 bytes |
font_01_sfnt_off00006104.binffbb26faa5cae165295afca1dc2ce02922b9045492e5d1d966db11e9e3909a7b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6104 | 10912 bytes |
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