MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF document was flagged by multiple critical heuristics for containing malicious redirector links and a link farm. The embedded links, including the primary malicious redirector at 'https://ttraff.ru/pify?keyword=c%25E1%25BA%25AFt+file+pdf+mi%25E1%25BB%2585n+ph%25C3%25AD', strongly suggest a phishing or malware distribution attempt. The ML classifier also provided a very high confidence score for maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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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=c%25E1%25BA%25AFt+file+pdf+mi%25E1%25BB%2585n+ph%25C3%25AD
- http://files.alayorkritepha.org/uploads/1/3/1/6/131606694/fopotenokavej-lomufip-zodonamasu.pdf
- http://files.midwayk12.org/uploads/1/3/1/3/131380495/183093.pdf
- http://files.centralfloridabirth.com/uploads/1/3/1/4/131453256/lemunijepoxevogaxum.pdf
- http://fuxopaxir.arkansasmath.com/uploads/1/3/1/8/131856161/puvexemamez.pdf
- https://cdn.shopify.com/s/files/1/0433/1329/9620/files/90384498943.pdf
- https://cdn.shopify.com/s/files/1/0431/0210/9856/files/bokivawedagut.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/32773531818.pdf
- https://cdn.shopify.com/s/files/1/0428/8158/1223/files/ggplot_stacked_bar.pdf
- https://cdn.shopify.com/s/files/1/0428/2499/0887/files/misalivama.pdf
- https://cdn.shopify.com/s/files/1/0433/4501/9045/files/jepomurekujavavimisofob.pdf
- https://cdn.shopify.com/s/files/1/0436/0352/5794/files/watch_american_pie_reunion_online.pdf
- https://cdn.shopify.com/s/files/1/0435/1747/7019/files/supumuteni.pdf
- https://cdn.shopify.com/s/files/1/0432/1047/3633/files/58933254214.pdf
- https://cdn.shopify.com/s/files/1/0427/9628/6111/files/vowakanilokopuliferedagov.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_off00006ef3.bin2f8ea1476e9a406e2ef2de5f32e49fee491ad0e66a7e288ae96e2b1ce7204137 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6EF3 | 5308 bytes |
font_01_sfnt_off0000809d.bin1a4a3f4ff3662e4e06051b657dccbf10cb64e0c72bbd57dbb0168220d80f3b37 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x809D | 12136 bytes |
font_02_sfnt_off0000a70d.binc3d0ee408bee49a88931d2ac630a9fb52e88a46fabab5a72aa19e78bbe1d3826 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA70D | 16376 bytes |
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