MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a high number of embedded links, many pointing to a redirector service (ttraff.ru). The ML classifier strongly indicates maliciousness. The document body, though heavily obfuscated, contains the URL that is also present in the heuristics, suggesting a lure to click on the link for 'bartender uniform shirts'. The primary attack pattern involves redirecting the user to malicious infrastructure.
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=bartender+uniform+shirts
- http://files.golffordreams.com/uploads/1/3/0/7/130775528/zixujedimosov-zifiruzo.pdf
- http://files.dixonrams.com/uploads/1/3/1/3/131379594/lufujikarad_toxavuwumeb_fitezusila_sivitiwe.pdf
- http://files.marinavillagealameda.com/uploads/1/3/1/0/131070792/besegivotat.pdf
- http://files.bythebible.org/uploads/1/3/0/8/130873781/fozimibigenu.pdf
- http://xipuse.phyto5.com.au/uploads/1/3/2/7/132710575/fuwutuwobezedu.pdf
- https://cdn.shopify.com/s/files/1/0430/5698/8311/files/dijopupadani.pdf
- https://cdn.shopify.com/s/files/1/0429/1733/1100/files/d_d_3._5_unearthed_arcana.pdf
- https://cdn.shopify.com/s/files/1/0432/8875/6374/files/thematic_data_analysis.pdf
- https://cdn.shopify.com/s/files/1/0441/3951/1960/files/modekevu.pdf
- https://cdn.shopify.com/s/files/1/0432/4406/0839/files/wevimaforaxozaxi.pdf
- https://cdn.shopify.com/s/files/1/0432/8911/6836/files/abecedario_en_ingles_pronunciacion_para_imprimir.pdf
- https://cdn.shopify.com/s/files/1/0428/2764/5084/files/auggie_and_me_pluto.pdf
- https://cdn.shopify.com/s/files/1/0428/6870/3398/files/a_level_biology_past_papers.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xekugoxozeritazol.pdf
- https://cdn.shopify.com/s/files/1/0432/0090/5373/files/a_startup_enxuta_livro.pdf
- https://cdn.shopify.com/s/files/1/0435/2681/5903/files/83621807887.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_off000080c2.bin7944b93b34f84361d5c90699cc3ed1039fe68f8828b249e0e10c5462387f5324 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x80C2 | 5164 bytes |
font_01_sfnt_off00009221.bineeb5c98b26c3faa3f25cc3369b340368723f062a3f5ecd4edc3eec8cb3a2e3d4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9221 | 10392 bytes |
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