MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.ru, which is disguised as a download for 'danfo driver remix mp3 download'. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs pointing to external documents. The ML classifier strongly indicated maliciousness, and the presence of a malicious redirector confirms the intent to lead the user to harmful content.
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/wix?keyword=danfo+driver+remix+mp3+download
- https://static.usrfiles.com/ugd/824332_f056ad16a45643269fe0b8308a480987.pdf
- https://static.usrfiles.com/ugd/e3ed1f_0243f32256204992b7344b95ab021eaa.pdf
- https://static.usrfiles.com/ugd/87a178_2757217aa41c40839586af23f18eada6.pdf
- https://static.usrfiles.com/ugd/6f7357_c7e40e98ffc24e85897664e550a3bd14.pdf
- https://static.usrfiles.com/ugd/3ab5ed_9291db20c878461cacc70e5a39dbef88.pdf
- https://static.usrfiles.com/ugd/b8c837_3a13a7ec1bf847f49659d8af8eaf81ee.pdf
- https://static.usrfiles.com/ugd/aff7ca_d577361392cf4165a098a24d1de88411.pdf
- https://cdn.shopify.com/s/files/1/0429/2332/7644/files/pokemon_emerald_rom_gba_android.pdf
- https://cdn.shopify.com/s/files/1/0434/1386/4604/files/zafemabuxevepidironosora.pdf
- https://cdn.shopify.com/s/files/1/0432/5185/9616/files/21646938061.pdf
- https://cdn.shopify.com/s/files/1/0430/3169/1421/files/policy_analysis_paper_template.pdf
- https://cdn.shopify.com/s/files/1/0462/6710/5429/files/35819088747.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_off000045c1.binf099c6cd66a3ff0c6e2b222778b4088f95001710f73b206e30c62f83c2a98c0b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x45C1 | 5100 bytes |
font_01_sfnt_off00005713.bina72fff56d3f5d632bbcb952c0b87cf4a1d9ee92ba8975a769c594738f9016907 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5713 | 14036 bytes |
font_02_sfnt_off000082de.bina542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x82DE | 4324 bytes |
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