MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a large number of embedded links, many of which point to a link farm designed to redirect users to potentially malicious sites. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK specifically flags the URL https://ttraff.ru/pify?keyword=classification+of+antidotes+pdf as malicious. The ML classifier also strongly indicated maliciousness. The document body appears to be malformed or obfuscated, but the presence of numerous links suggests a social engineering attempt to drive traffic to external resources.
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.ru/pify?keyword=classification+of+antidotes+pdf
- http://files.bernardobellostudio.com/uploads/1/3/1/4/131406785/3098523d917d3de.pdf
- http://files.thetipiraisers.org/uploads/1/3/1/6/131606666/vorujesa.pdf
- https://cdn.shopify.com/s/files/1/0431/8363/6644/files/indeed_aptitude_assessment_answers.pdf
- https://cdn.shopify.com/s/files/1/0429/2473/6678/files/murray_riding_lawn_mower_parts_diagram.pdf
- https://cdn.shopify.com/s/files/1/0431/1059/6765/files/41056399846.pdf
- https://cdn.shopify.com/s/files/1/0428/9989/8531/files/pass_function_as_template_argument_c.pdf
- https://cdn.shopify.com/s/files/1/0428/1057/2967/files/wokiduvuwinuba.pdf
- https://cdn.shopify.com/s/files/1/0434/0980/1365/files/zokoxuxizoki.pdf
- https://cdn.shopify.com/s/files/1/0439/2887/9272/files/zunotowozobufupulemiguk.pdf
- https://cdn.shopify.com/s/files/1/0434/1609/2828/files/ark_survival_evolved_mobile_size.pdf
- https://cdn.shopify.com/s/files/1/0433/0356/7515/files/zizalonirebelefotagolare.pdf
- https://cdn.shopify.com/s/files/1/0434/9054/1733/files/59957303534.pdf
- https://cdn.shopify.com/s/files/1/0434/6360/6422/files/96260180409.pdf
- https://cdn.shopify.com/s/files/1/0431/8278/4676/files/62303073313.pdf
- https://cdn.shopify.com/s/files/1/0440/4586/1029/files/succession_planning_and_management_guide.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_off0000787c.bin355a6a87e2f8bd2ae8f85f5777c9322f92f0daa0e995fe061fcffa0eac40e38a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x787C | 4864 bytes |
font_01_sfnt_off00008911.binde8957e5c2972882fd4e32217dc30e62f0fa9978ddbc41842e846d0bc931eb8b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8911 | 12320 bytes |
font_02_sfnt_off0000b1db.bin05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1DB | 4324 bytes |
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