MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, identified as a link farm, directing users to a malicious redirector and other PDF files. The ML classifier strongly indicated maliciousness, and the presence of a malicious redirector URL supports this. No scripts were extracted, but the structure suggests an attempt to manipulate search engine results or distribute further 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.cc/pify?keyword=frecuencia+cardiaca+pdf
- http://files.kerikeriguitar.com/uploads/1/3/0/9/130969322/wugigenoxisoxebaj.pdf
- http://files.roadhogwillysbbq.com/uploads/1/3/1/0/131070294/5483344.pdf
- http://files.fairgreenoutreach.com/uploads/1/3/0/9/130969708/kilunan-bideradenoledob-fezafexivadad-zagufep.pdf
- http://files.katshelter.com/uploads/1/3/1/4/131407469/8872337.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/2240/9125/files/nunoni.pdf
- https://cdn.shopify.com/s/files/1/0429/9702/2879/files/butiz.pdf
- https://cdn.shopify.com/s/files/1/0428/9206/6975/files/19636586553.pdf
- https://cdn.shopify.com/s/files/1/0428/9832/5663/files/63457610179.pdf
- https://cdn.shopify.com/s/files/1/0432/7217/5784/files/10000_days_to_years.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mojedisubeweful.pdf
- https://cdn.shopify.com/s/files/1/0438/1779/5741/files/vuwisi.pdf
- https://cdn.shopify.com/s/files/1/0435/7190/4673/files/majalivune.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xuxovozukirofavekejob.pdf
- https://cdn.shopify.com/s/files/1/0434/4204/5090/files/36464282606.pdf
- https://cdn.shopify.com/s/files/1/0431/7793/5005/files/75060352659.pdf
- https://cdn.shopify.com/s/files/1/0436/4189/7110/files/3917060721.pdf
- https://cdn.shopify.com/s/files/1/0435/4077/5064/files/97454009062.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005c42.binf96ba89cb3b3f07e532cbb235ace03cbc7eb619db77e1b362b97356aafe08f3e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C42 | 4896 bytes |
font_01_sfnt_off00006cf3.bin57aa6c9d8faaa0d09ea9a8f2066a8f589ff5861c1e26f687f8c2e6e48e8a5a3f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CF3 | 11744 bytes |
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