MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF was flagged as malicious by an ML classifier and contains a link to a known malicious redirector. It also features a large number of external PDF links, a common SEO spam tactic. The document body contains obfuscated text and URLs, suggesting an attempt to disguise its malicious intent. The primary malicious URL identified is https://ttraff.ru/pify?keyword=barbituricos+farmacos+pdf.
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=barbituricos+farmacos+pdf
- http://files.awakeningstaryoga.com/uploads/1/3/1/3/131380292/redafo.pdf
- http://files.rugbyfootball.com/uploads/1/3/1/6/131607407/2dd90de641292.pdf
- http://files.madisonbizreview.com/uploads/1/3/0/7/130739525/bevajukani.pdf
- https://cdn.shopify.com/s/files/1/0438/1717/3149/files/vupik.pdf
- https://cdn.shopify.com/s/files/1/0437/6281/1031/files/freundlich_adsorption_isotherm.pdf
- https://cdn.shopify.com/s/files/1/0437/4993/3208/files/33034405127.pdf
- https://cdn.shopify.com/s/files/1/0433/2843/8427/files/83693519709.pdf
- https://cdn.shopify.com/s/files/1/0432/6011/7160/files/wufelelozinolavokideb.pdf
- https://cdn.shopify.com/s/files/1/0431/2688/2471/files/fanuwilazixa.pdf
- https://cdn.shopify.com/s/files/1/0432/5598/8387/files/foxomudagepi.pdf
- https://cdn.shopify.com/s/files/1/0430/2969/2577/files/85034265648.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/27055139941.pdf
- https://cdn.shopify.com/s/files/1/0436/0847/3763/files/44368098362.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_off000098f9.bin1977aebd04ac8981947aa48687491e267435f7aa30b635ee22885b097c188235 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x98F9 | 5456 bytes |
font_01_sfnt_off0000ab6e.bin634aaf659a997f1faccea3aea22b26abccfd7e00126f3f10640624533e48bc63 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAB6E | 10504 bytes |
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