MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to a link farm hosted on cdn.shopify.com, and one critical link redirects to a known malicious domain. The ML classifier also flagged this PDF with high confidence. The primary malicious link is https://ttraff.ru/pify?keyword=advanced+mathematics+solved+problems+pdf, which is likely used to redirect users to further malicious content.
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=advanced+mathematics+solved+problems+pdf
- http://files.prueadams.net/uploads/1/3/1/4/131438642/9c32a9f708.pdf
- http://bujegok.thefightingwarriors.com/uploads/1/3/2/6/132683014/7621205.pdf
- http://files.blackmarksproduction.com/uploads/1/3/1/8/131871658/1535363.pdf
- http://suparagoj.bridgetownacupuncture.com/uploads/1/3/1/4/131452938/9994241.pdf
- https://cdn.shopify.com/s/files/1/0431/6374/6453/files/2017_audi_a5_convertible.pdf
- https://cdn.shopify.com/s/files/1/0432/5310/4790/files/61169391496.pdf
- https://cdn.shopify.com/s/files/1/0433/3908/8027/files/89456268514.pdf
- https://cdn.shopify.com/s/files/1/0432/6254/1982/files/uc_irvine_library.pdf
- https://cdn.shopify.com/s/files/1/0431/1026/9085/files/titel.pdf
- https://cdn.shopify.com/s/files/1/0443/1478/7996/files/stephen_berndt_alois_irlmaier.pdf
- https://cdn.shopify.com/s/files/1/0433/5045/8520/files/96051604878.pdf
- https://cdn.shopify.com/s/files/1/0431/9461/3924/files/computer_literacy_test_questions_and_answers.pdf
- https://cdn.shopify.com/s/files/1/0430/9952/1181/files/kixubevulabukatizejoze.pdf
- https://cdn.shopify.com/s/files/1/0428/2292/6492/files/batch_production.pdf
- https://cdn.shopify.com/s/files/1/0431/3199/4280/files/7658813943.pdf
- https://cdn.shopify.com/s/files/1/0430/1763/3945/files/25305313814.pdf
- https://cdn.shopify.com/s/files/1/0429/8113/0394/files/muzadifave.pdf
- https://cdn.shopify.com/s/files/1/0431/3631/9645/files/8648392215.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_off00007890.binf2401738d219185f03386a7191fc84359b7c44a2806b972e6d276b62b4d117dd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7890 | 5584 bytes |
font_01_sfnt_off00008b5a.bin0bdfdb949f3e983fdc25eb1a66c858ed0ca01ef9afc23b09674561077d986041 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8B5A | 10352 bytes |
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