MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.club'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded URLs, many hosted on Shopify. The document body, though heavily obfuscated, contains the same redirector URL and a benign-looking PDF filename, suggesting a lure. The primary attack vector appears to be directing the user to a malicious site via the embedded link.
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.club/wix?keyword=aafp+feline+vaccine+guidelines+2019
- https://cdn.shopify.com/s/files/1/0435/6079/6318/files/almost_is_never_enough_piano_chords.pdf
- https://cdn.shopify.com/s/files/1/0431/1102/2756/files/apostila_de_meio_ambiente.pdf
- https://cdn.shopify.com/s/files/1/0436/1663/2992/files/nijof.pdf
- https://static.usrfiles.com/ugd/2c608b_586d62f9798648d995c20925ef86eeff.pdf
- https://static.usrfiles.com/ugd/b8c837_215ee62a3a1148b38f0730dcae6314dc.pdf
- https://static.usrfiles.com/ugd/0047a4_6cdefec6abc740c38a36c057481fd562.pdf
- https://static.usrfiles.com/ugd/6cabbb_4846f3d2da3f4cd0a1cb409ea614c2f1.pdf
- https://static.usrfiles.com/ugd/b444d4_a1433cbf209048bc9778a62a42c4a21b.pdf
- https://cdn.shopify.com/s/files/1/0437/5497/9477/files/pawerujonavuzizup.pdf
- https://cdn.shopify.com/s/files/1/0432/6798/1474/files/categorical_vs_numerical_data_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0432/1506/1153/files/38136403490.pdf
- https://cdn.shopify.com/s/files/1/0435/0997/3147/files/walmart_financial_report_2016.pdf
- https://cdn.shopify.com/s/files/1/0430/4722/3458/files/6593278834.pdf
- https://cdn.shopify.com/s/files/1/0432/6732/6110/files/86739464580.pdf
- https://cdn.shopify.com/s/files/1/0432/3573/7764/files/48696670239.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_off0000679f.binaff0b1545320989de8d259972473b9a116458fbd6bddbd8746d382f6ddf550c6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x679F | 5756 bytes |
font_01_sfnt_off00007b63.bin102b1b936e367667812868b387a5f1aa258b860cd3754fdf565a5b82feccaea1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B63 | 10388 bytes |
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