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 external resources. One critical heuristic firing indicates a malicious redirector link, specifically 'https://ttraff.ru/pify?keyword=%25C4%2587wiczenia+z+j%25C4%2599zyka+angielskiego+dla+pocz%25C4%2585tkuj%25C4%2585cych+pdf', which is designed to lead users to malicious sites. The document body itself is heavily obfuscated but contains references to the same malicious URL and numerous benign-looking URLs hosted on Shopify, likely as part of a link farm to improve SEO for 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=%25C4%2587wiczenia+z+j%25C4%2599zyka+angielskiego+dla+pocz%25C4%2585tkuj%25C4%2585cych+pdf
- http://files.antoniodavidsinopoli.com/uploads/1/3/0/8/130873907/4090271.pdf
- http://files.avenamedical.com/uploads/1/3/1/4/131437799/d8b342f46800f5b.pdf
- http://files.agrseedandsupply.com/uploads/1/3/0/8/130873912/9744980.pdf
- http://files.hcates.com/uploads/1/3/1/0/131070718/junixolatagefigudap.pdf
- http://files.knowledge.video/uploads/1/3/1/4/131406663/wonevofikopexugeja.pdf
- https://cdn.shopify.com/s/files/1/0429/5072/1699/files/fijuwagugubarojogawon.pdf
- https://cdn.shopify.com/s/files/1/0431/3602/4742/files/nutojebe.pdf
- https://cdn.shopify.com/s/files/1/0436/5372/6358/files/fisumajijatidusasedimi.pdf
- https://cdn.shopify.com/s/files/1/0432/6011/7160/files/18394847746.pdf
- https://cdn.shopify.com/s/files/1/0433/2558/7610/files/2478628177.pdf
- https://cdn.shopify.com/s/files/1/0432/2181/1362/files/the_fall_of_yugoslavia_book.pdf
- https://cdn.shopify.com/s/files/1/0432/3164/1767/files/aws_certification_dumps.pdf
- https://cdn.shopify.com/s/files/1/0429/5481/7690/files/jezekigodizo.pdf
- https://cdn.shopify.com/s/files/1/0430/5528/4378/files/dosav.pdf
- https://cdn.shopify.com/s/files/1/0437/9534/9661/files/april_monthly_current_affairs_2020_download.pdf
- https://cdn.shopify.com/s/files/1/0431/4542/9160/files/xomekemojofibono.pdf
- https://cdn.shopify.com/s/files/1/0429/6183/0037/files/36350521750.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_off000057de.bin9af79540cd6dc5b42181c2be2d34aa987de5953bf2ccdbe34e9387efd8a62778 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x57DE | 6204 bytes |
font_01_sfnt_off00006be6.bin70973a5f72280bfd2722f0d257bbe8e2d6b8392ea9f8a817d87e95b1ea36cfc7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6BE6 | 11144 bytes |
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