MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.ru'. The document body also contains this URL, along with numerous other URLs hosted on cdn.shopify.com, suggesting a link farm or redirection strategy. The ML classifier strongly indicates maliciousness. The primary attack vector appears to be social engineering via a deceptive link within the document.
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=50+challenging+algebra+problems+fully+solved+pdf
- http://files.flymusic.studio/uploads/1/3/0/8/130873804/43fbc8febbf.pdf
- http://files.mammothmoose.com/uploads/1/3/0/8/130874495/5815878.pdf
- http://juvuxot.mistletoemagicartisanshow.com/uploads/1/3/1/6/131636664/dovemi.pdf
- https://cdn.shopify.com/s/files/1/0430/3824/5017/files/alanbrooke_diaries.pdf
- https://cdn.shopify.com/s/files/1/0433/2643/9582/files/jekukesuduwu.pdf
- https://cdn.shopify.com/s/files/1/0434/4990/9415/files/56747972119.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nijudesiko.pdf
- https://cdn.shopify.com/s/files/1/0432/2826/6654/files/6384961540.pdf
- https://cdn.shopify.com/s/files/1/0434/1540/4695/files/mylab_and_mastering_oceanography.pdf
- https://cdn.shopify.com/s/files/1/0434/1848/4888/files/tusewuxo.pdf
- https://cdn.shopify.com/s/files/1/0430/7612/4821/files/13116786750.pdf
- https://cdn.shopify.com/s/files/1/0432/0008/6175/files/93902336918.pdf
- https://cdn.shopify.com/s/files/1/0431/7026/7291/files/fajuzawomopimixex.pdf
- https://cdn.shopify.com/s/files/1/0430/8697/1029/files/nimusolodumamavevo.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_off000065e4.bin96690072608c5a310b15c58e87c5d6cf53edb386ab405019eaac817552464100 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65E4 | 5844 bytes |
font_01_sfnt_off00007980.bin5eec204b34c07c63068067250e9306fb7f15ddd043776faa46c1e14a01415d69 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7980 | 10452 bytes |
font_02_sfnt_off00009d39.bincd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9D39 | 4324 bytes |
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