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.cc, which is designed to lure users to malicious sites. The document body, though heavily obfuscated, contains the same URL and a keyword suggesting a lure. The presence of a large number of external PDF links, many hosted on cdn.shopify.com, indicates a link farm used for SEO poisoning or to obscure the final malicious destination.
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=oxygen+therapy+guidelines+bts
- http://files.mamasteessentials.com/uploads/1/3/0/9/130969847/3767124.pdf
- https://cdn.shopify.com/s/files/1/0432/7673/0533/files/vafazotiwekasewinipuzadax.pdf
- https://cdn.shopify.com/s/files/1/0440/8321/6549/files/fotapizozekevavatokajo.pdf
- https://cdn.shopify.com/s/files/1/0433/6150/1336/files/bofuromuderefifeberux.pdf
- https://cdn.shopify.com/s/files/1/0437/5350/4917/files/wepikorupum.pdf
- https://cdn.shopify.com/s/files/1/0432/9078/7996/files/63429321371.pdf
- https://cdn.shopify.com/s/files/1/0431/0381/3781/files/24884187843.pdf
- https://cdn.shopify.com/s/files/1/0431/9284/4448/files/92602052653.pdf
- https://cdn.shopify.com/s/files/1/0431/4130/0380/files/79324068433.pdf
- https://cdn.shopify.com/s/files/1/0433/6985/7176/files/australian_basketball_court_dimensions_in_meters.pdf
- https://cdn.shopify.com/s/files/1/0431/1800/2340/files/fases_del_aprendizaje_basado_en_problemas.pdf
- https://cdn.shopify.com/s/files/1/0431/6823/5675/files/6936894632.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_off00017ee3.binfd74e26dbd6edb51d2d449c68e0ecc03b3b9796908be91a3e072100a2c1e206a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17EE3 | 5556 bytes |
font_01_sfnt_off000191b6.bineaed5768a76b5c753fa4dd7a946db02aa130fcc05594b357a016dc17b094be27 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x191B6 | 15588 bytes |
font_02_sfnt_off0001c275.bin43dd7310e986e37c0562d6efd2a67b6291a0d41fa892ecd43b306c3e7231f7b7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1C275 | 16148 bytes |
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