MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to external PDF files hosted on various domains, suggesting a link farm or SEO poisoning tactic. One critical heuristic identified a direct link to a known malicious redirector infrastructure at 'https://ttraff.ru/pify?keyword=ejercicios+caida+libre+y+lanzamiento+vertical+4+eso+pdf'. This indicates the document is designed to lure users to malicious sites, likely for further exploitation or phishing. No scripts were extracted from this sample.
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=ejercicios+caida+libre+y+lanzamiento+vertical+4+eso+pdf
- http://files.gbpsu.org/uploads/1/3/1/8/131872055/rupeniwuligowodep.pdf
- http://zetas.bridportlionsclub.org/uploads/1/3/0/8/130813557/fumamakovupudav.pdf
- http://files.yuriokahana.com/uploads/1/3/0/7/130739850/fowevosuteta.pdf
- https://cdn.shopify.com/s/files/1/0433/6844/8152/files/4921688069.pdf
- https://cdn.shopify.com/s/files/1/0428/2312/3100/files/87053103156.pdf
- https://cdn.shopify.com/s/files/1/0435/6990/5825/files/zodaruvafemomifit.pdf
- https://cdn.shopify.com/s/files/1/0437/5989/4689/files/favipedako.pdf
- https://cdn.shopify.com/s/files/1/0431/7950/7872/files/wewerilopomufajat.pdf
- https://cdn.shopify.com/s/files/1/0427/4556/1254/files/libekibepibawutumasero.pdf
- https://cdn.shopify.com/s/files/1/0428/5018/9478/files/livoresejolabexaz.pdf
- https://cdn.shopify.com/s/files/1/0435/9503/8877/files/one_way_anova_interpretation.pdf
- https://cdn.shopify.com/s/files/1/0429/7601/8585/files/ff7_enemy_skill_map.pdf
- https://cdn.shopify.com/s/files/1/0431/1682/2692/files/84711350146.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_off00005dcd.bin10f9f206b0254629ed49b35ae6a858f506d98664634e23bd5dbe017b212f41a1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5DCD | 5772 bytes |
font_01_sfnt_off0000717f.bin57a55eaf3286259f085b47f79ab17b7b6b1c16e2b68b191d1995c988bde481a0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x717F | 10656 bytes |
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