MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a mass external link farm, with a critical heuristic firing for a malicious redirector link. The primary malicious URL, 'https://ttraff.cc/wb?keyword=automatic%20car%20driving%20tutorial%20pdf', is embedded within the document body, suggesting an attempt to trick users into clicking it. The ML classifier also strongly indicated maliciousness.
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/wb?keyword=automatic%20car%20driving%20tutorial%20pdf
- http://kabibem.rasacacorporation.com/uploads/1/3/0/8/130874277/85d1e4.pdf
- http://files.prhospitalfoundation.com/uploads/1/3/0/8/130873769/a03f08.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0435/1302/0570/files/xakumisatol.pdf
- https://cdn.shopify.com/s/files/1/0430/7147/1767/files/foziwunofe.pdf
- https://cdn.shopify.com/s/files/1/0429/3351/8489/files/linux_add_directory_to_path.pdf
- https://cdn.shopify.com/s/files/1/0432/4874/6651/files/69570332887.pdf
- https://cdn.shopify.com/s/files/1/0427/4126/8647/files/84283339224.pdf
- https://cdn.shopify.com/s/files/1/0440/5785/4102/files/wow_hallow_s_end_guide_2019.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/32829552166.pdf
- https://cdn.shopify.com/s/files/1/0434/3388/5846/files/winrar_5._50_64_bit.pdf
- https://cdn.shopify.com/s/files/1/0443/8307/6518/files/list_of_engineering_colleges_in_chennai_with_contact_details.pdf
- https://cdn.shopify.com/s/files/1/0430/3313/3209/files/mutobajujis.pdf
- https://cdn.shopify.com/s/files/1/0430/8012/2532/files/xuwopatiwatoxufapez.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_off00006954.bin39fe548f6b8f0223c854d1648460f42f2506a842e6000f2e9fc8e9fcdb361af2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6954 | 5348 bytes |
font_01_sfnt_off00007b74.bin917c4f203d054cc1762a8fc60f82d18f1f66e6567c54003746807bc6835208d9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B74 | 9736 bytes |
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