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 infrastructure. The document body, though heavily obfuscated, contains a string that appears to be a lure for 'Chuck season 1 full' and includes the malicious redirector URL. The presence of a large number of external PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to distribute the malicious 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.com/pify?keyword=chuck+season+1+full
- http://files.802beancompany.com/uploads/1/3/2/6/132695476/nadomonoti-kamutosa.pdf
- http://files.whitemouthriverrec.com/uploads/1/3/1/0/131071037/disaz.pdf
- https://cdn.shopify.com/s/files/1/0429/2512/9891/files/kuvalo.pdf
- https://cdn.shopify.com/s/files/1/0434/3899/7669/files/mivexosu.pdf
- https://cdn.shopify.com/s/files/1/0435/5552/0673/files/registro_anecdotico_ejemplo.pdf
- https://cdn.shopify.com/s/files/1/0435/9330/2178/files/wiwujife.pdf
- https://cdn.shopify.com/s/files/1/0434/8028/5348/files/bulking_diet_plan_for_skinny_guys.pdf
- https://cdn.shopify.com/s/files/1/0432/0896/6307/files/35590910141.pdf
- https://cdn.shopify.com/s/files/1/0435/1390/5311/files/in_between_the_sheets_remix.pdf
- https://cdn.shopify.com/s/files/1/0454/2988/3048/files/pdf_para_colorear_paw_patrol.pdf
- https://cdn.shopify.com/s/files/1/0438/2670/8640/files/pdf_cardiologia_pediatrica.pdf
- https://cdn.shopify.com/s/files/1/0435/1744/4264/files/g_shock_ga_100_manual.pdf
- https://cdn.shopify.com/s/files/1/0433/0350/1989/files/45646026002.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_off00004807.bin87df92d206bdd12b49383e2e6dd9530ee961af93070d3be3d1857207536cf715 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4807 | 4892 bytes |
font_01_sfnt_off000058af.bine56b94cbc281d9f5f4bcc8abf52c66c8b1844b21f13dd8d60b2fd1c00a13aad1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x58AF | 9680 bytes |
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