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 Shopify. One of the primary links, 'https://ttraff.ru/pify?keyword=science+experiment+report+format', is identified as a malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains references to the malicious URL and benign-looking PDF links, suggesting a lure to drive traffic to malicious infrastructure.
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=science+experiment+report+format
- http://nuzud.niozhair.com/uploads/1/3/1/6/131606490/nirizexofav.pdf
- http://files.truenorthwelcomehome.com/uploads/1/3/1/6/131637814/2599900b04daca.pdf
- http://ravuwuvu.pineassociates.com/uploads/1/3/1/1/131163635/4c005.pdf
- http://files.nofrillsgallery.com/uploads/1/3/0/7/130738949/zoripadogabuxoposide.pdf
- http://files.bullittownersclub.com/uploads/1/3/1/3/131383586/c4e24652b462dc.pdf
- https://cdn.shopify.com/s/files/1/0453/6372/4443/files/allegiant_veronica_roth.pdf
- https://cdn.shopify.com/s/files/1/0428/6083/9079/files/watilitekukozasuku.pdf
- https://cdn.shopify.com/s/files/1/0462/9053/4561/files/42515851944.pdf
- https://cdn.shopify.com/s/files/1/0433/7388/7649/files/fast_car_for_under_10k.pdf
- https://cdn.shopify.com/s/files/1/0431/4251/2802/files/free_printable_calendar_templates_color.pdf
- https://cdn.shopify.com/s/files/1/0437/4921/2311/files/ugly_alert_episode_133.pdf
- https://cdn.shopify.com/s/files/1/0433/0858/1019/files/76413310511.pdf
- https://cdn.shopify.com/s/files/1/0431/4244/7265/files/fixivamemorines.pdf
- https://cdn.shopify.com/s/files/1/0429/0645/2127/files/estados_financieros_2020.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/90379225571.pdf
- https://cdn.shopify.com/s/files/1/0430/8893/7120/files/13828303063.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_off00007471.binebfe541efc49fc63a2160e1f9d277ee597fbc6fdc1e9316906e9d98fae677f7e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7471 | 4908 bytes |
font_01_sfnt_off000084f2.bin73fc6ff60b35947747e5946486faf28e453e843a2cbc596a69a1a368e13896d4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x84F2 | 10712 bytes |
font_02_sfnt_off0000a8f4.bind1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA8F4 | 4324 bytes |
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