MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a significant number of embedded links, with one identified as a malicious redirector. The ML classifier strongly indicated maliciousness. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=ap+spanish+speaking+prompts', which is flagged as a malicious redirector. The presence of a link farm suggests an attempt to distribute malicious content or lead users to phishing sites.
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=ap+spanish+speaking+prompts
- http://files.engageinspireexpectinform.com/uploads/1/3/1/0/131070476/wedaxurebatid.pdf
- http://files.transitionintowellness.com/uploads/1/3/1/4/131453136/c3818.pdf
- https://cdn.shopify.com/s/files/1/0452/0201/4357/files/xtreme_vapor_barrier_data_sheet.pdf
- https://cdn.shopify.com/s/files/1/0431/3799/0805/files/arthritis_diet_book.pdf
- https://cdn.shopify.com/s/files/1/0434/7245/3797/files/bunolavisipizegameg.pdf
- https://cdn.shopify.com/s/files/1/0434/5279/2982/files/7697861490.pdf
- https://cdn.shopify.com/s/files/1/0434/4391/2865/files/chhattisgarh_map_download.pdf
- https://cdn.shopify.com/s/files/1/0434/4673/0904/files/kuvonugeraxevisin.pdf
- https://cdn.shopify.com/s/files/1/0431/8691/3439/files/xemufaz.pdf
- https://cdn.shopify.com/s/files/1/0431/8950/2110/files/catgut_simple_y_cromico.pdf
- https://cdn.shopify.com/s/files/1/0436/5297/2697/files/52313218728.pdf
- https://cdn.shopify.com/s/files/1/0428/1335/8247/files/como_fazer_assinatura_digital.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_off000051ec.bin5ab4ed5dfb946a6863a524c381d592e4fa026d853ffb7a3a8319ded1cd4cdd42 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x51EC | 5256 bytes |
font_01_sfnt_off00006393.bin13e2e65572cc233bba6058c59a7b57adaded9856b473335767fc8b8651bfb057 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6393 | 10852 bytes |
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