MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/wix?keyword=chemsketch+mechanism+arrows'. This URL is presented within the document body, suggesting a lure to a malicious site. The PDF also contains a large number of external links, many of which point to Shopify domains, indicating a potential link farm for SEO manipulation or distributing malicious content. The ML classifier also strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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/wix?keyword=chemsketch+mechanism+arrows
- https://static.usrfiles.com/ugd/b8c837_5682ad6c1e824fad9ebf8d3a9c35d490.pdf
- https://static.usrfiles.com/ugd/73cb9e_50e0cca7a85f43f0bb8331a940edf065.pdf
- https://static.usrfiles.com/ugd/b8c837_0ad5dce24a5841b0bfda3ac696c1c899.pdf
- https://static.usrfiles.com/ugd/98e298_bb157f2cb1134c3cb9d138b2d88754a7.pdf
- https://static.usrfiles.com/ugd/b8c837_025290823c7942dbb525e6fbd0937e2c.pdf
- https://cdn.shopify.com/s/files/1/0433/8991/1196/files/69940544540.pdf
- https://cdn.shopify.com/s/files/1/0437/3551/5290/files/student_tardiness_questionnaire.pdf
- https://cdn.shopify.com/s/files/1/0431/7318/3643/files/86028964598.pdf
- https://cdn.shopify.com/s/files/1/0428/5975/7734/files/38045310272.pdf
- https://cdn.shopify.com/s/files/1/0432/9940/5979/files/40001847250.pdf
- https://cdn.shopify.com/s/files/1/0434/4738/6268/files/dibafepusujer.pdf
- https://cdn.shopify.com/s/files/1/0434/4247/1064/files/old_guys_in_anime.pdf
- https://cdn.shopify.com/s/files/1/0433/1982/0446/files/54889113053.pdf
- https://cdn.shopify.com/s/files/1/0437/6189/3534/files/81058319935.pdf
- https://cdn.shopify.com/s/files/1/0433/8896/0933/files/76530173334.pdf
- https://cdn.shopify.com/s/files/1/0431/5647/1959/files/gapovujabi.pdf
- https://cdn.shopify.com/s/files/1/0431/2937/2832/files/tumebugenadubobuxelo.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000762d.binfb54cdb97cf9d90b059621ef04edbd742912a67bdb5168eb7526f45fb9c185af |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x762D | 4976 bytes |
font_01_sfnt_off000086f8.bin27b7a7a5a64bca7f7b6b1fb5fab374a1c383a23a6846002e8b90647c2261cfff |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x86F8 | 10112 bytes |
font_02_sfnt_off0000a996.bin05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA996 | 4324 bytes |
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