MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector at 'https://ttraff.ru/pify?keyword=argentine+crisis+2020+pdf'. The document body, though heavily obfuscated, also contains this URL and other links pointing to external PDF files, suggesting a link farm or redirection strategy. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is designed to redirect users 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/pify?keyword=argentine+crisis+2020+pdf
- http://files.christiestimber.com/uploads/1/3/2/3/132302815/a80bec9c772bc.pdf
- http://files.5starreflections.com/uploads/1/3/0/8/130814032/kepegepadezem_gaxeg_jideroru_dawimoz.pdf
- http://files.longrangeacademy.com/uploads/1/3/2/7/132712306/d97286f6caef8.pdf
- http://files.emugs.org/uploads/1/3/2/6/132695519/a04b87d4.pdf
- https://cdn.shopify.com/s/files/1/0431/2013/2257/files/jirenarur.pdf
- https://cdn.shopify.com/s/files/1/0446/6681/4617/files/historia_de_la_administracion_publica_en_mexico.pdf
- https://cdn.shopify.com/s/files/1/0433/9266/3702/files/59060341039.pdf
- https://cdn.shopify.com/s/files/1/0435/8530/6782/files/86918307703.pdf
- https://cdn.shopify.com/s/files/1/0434/7602/5497/files/nenozuxesebidubenudidur.pdf
- https://cdn.shopify.com/s/files/1/0431/6263/2360/files/29111131735.pdf
- https://cdn.shopify.com/s/files/1/0430/4578/1658/files/88555740499.pdf
- https://cdn.shopify.com/s/files/1/0445/3462/8516/files/play_audio_from_stream_js.pdf
- https://cdn.shopify.com/s/files/1/0430/0885/2117/files/25097742742.pdf
- https://cdn.shopify.com/s/files/1/0433/0219/1269/files/57629851567.pdf
- https://cdn.shopify.com/s/files/1/0434/0521/3847/files/93197557071.pdf
- https://cdn.shopify.com/s/files/1/0437/8283/2280/files/calvinismo_kuyper.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_off0000725a.bin5a878e89a4500893f1664e50e4a0d5ef3a47c002824b962bb22b062537d1c148 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x725A | 5344 bytes |
font_01_sfnt_off000084ad.bine28116808307377b959f1fe157aa06ee8eb74638ef74f0378dbfa98d2a5beb4f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x84AD | 10144 bytes |
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