MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links, with one pointing to a known malicious redirector (ttraff.cc). The document body, though heavily obfuscated, contains text related to 'Psoriasis causas y tratamiento pdf' and references wkhtmltopdf, suggesting a lure to download further content. The presence of numerous external PDF links, many hosted on Shopify, indicates a link farm strategy to distribute malicious content. The ML classifier strongly flagged this PDF as malicious.
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.cc/pify?keyword=psoriasis+causas+y+tratamiento+pdf
- http://fariji.heathmereprimary.org/uploads/1/3/1/3/131379965/7f20f41271e33.pdf
- http://files.kennelgoldflames.com/uploads/1/3/0/8/130814169/fb29c97.pdf
- http://files.irr-f.org/uploads/1/3/0/7/130776714/468638.pdf
- https://cdn.shopify.com/s/files/1/0434/5013/8784/files/wadozokikomexezu.pdf
- https://cdn.shopify.com/s/files/1/0429/4151/3894/files/75336270699.pdf
- https://cdn.shopify.com/s/files/1/0449/5484/5352/files/campbell_biology_2nd_edition.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/72518400380.pdf
- https://cdn.shopify.com/s/files/1/0437/7722/8957/files/9167634266.pdf
- https://cdn.shopify.com/s/files/1/0431/0433/8077/files/foweror.pdf
- https://cdn.shopify.com/s/files/1/0432/0080/7070/files/daked.pdf
- https://cdn.shopify.com/s/files/1/0435/2131/0880/files/manual_de_cooperativismo_y_economia_solidaria.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/58097506778.pdf
- https://cdn.shopify.com/s/files/1/0454/7680/6808/files/html_object_properties.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/24413790208.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_off00006ed8.bina7b0a697e7416d0fae9825d02775516ab1fa42ed90bf168a3a524697f4239a17 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6ED8 | 5372 bytes |
font_01_sfnt_off0000810d.bin65e14cb46bff33f29b4a4c109f32f6fbd2698abf1477bc09d7104a03d634bcba |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x810D | 11084 bytes |
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