MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a malicious redirector link disguised as a download for educational materials. The ML classifier strongly indicated maliciousness, and the PDF_MALICIOUS_REDIRECTOR_LINK heuristic confirms the presence of a link to known malicious infrastructure. The document body, though corrupted, contains the URL that likely serves as the lure. The PDF_SEO_LINK_FARM heuristic indicates a large number of links, suggesting a broader campaign to distribute malicious content.
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=oxford+bookworms+stage+6+pdf+download
- http://files.blaine-bacchiocchi.com/uploads/1/3/2/6/132696263/3028133.pdf
- http://files.hireoptimize.com/uploads/1/3/1/4/131437333/132108279d.pdf
- http://files.miehayashimusic.com/uploads/1/3/1/3/131380728/mobivemogif.pdf
- https://cdn.shopify.com/s/files/1/0428/2312/3100/files/damufezeloge.pdf
- https://cdn.shopify.com/s/files/1/0432/1129/2827/files/61715891763.pdf
- https://cdn.shopify.com/s/files/1/0432/4635/4594/files/puxumasurobu.pdf
- https://cdn.shopify.com/s/files/1/0431/9969/2958/files/present_tense_verbs_exercises.pdf
- https://cdn.shopify.com/s/files/1/0432/1175/1588/files/92106027151.pdf
- https://cdn.shopify.com/s/files/1/0431/0089/7440/files/34302189239.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/sivezijikok.pdf
- https://cdn.shopify.com/s/files/1/0431/6371/3695/files/dipiro.pdf
- https://cdn.shopify.com/s/files/1/0429/2100/1119/files/12234502021.pdf
- https://cdn.shopify.com/s/files/1/0428/5205/7244/files/vigaso.pdf
- https://cdn.shopify.com/s/files/1/0437/0225/5770/files/troy_bilt_pressure_washer_manual.pdf
- https://cdn.shopify.com/s/files/1/0429/5445/7254/files/rimidotiji.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_off000048d1.bin2f8e4b2b7f6dc52031b02211138447b4d40a795fb7bb56829427a2eda18d70b2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x48D1 | 5908 bytes |
font_01_sfnt_off00005cec.bine29f83feb2f5f5f82132a006b4f838b1d1e393d7bde265c6d6245d578ab112e6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5CEC | 10140 bytes |
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