MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, with one identified as a known malicious redirector. The document body itself is heavily obfuscated but contains URLs that are likely part of a link farm or SEO poisoning campaign. The primary goal appears to be directing users to external, potentially malicious, websites.
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=atividades+de+alfabetiza%25C3%25A7%25C3%25A3o+em+pdf
- http://files.noc1.net/uploads/1/3/1/6/131606289/8e6fbd01ae.pdf
- http://files.spanishteachermalaga.com/uploads/1/3/1/4/131406222/rugobawalowu_texelabekev.pdf
- http://kovezew.blog.rowlisonart.com/uploads/1/3/1/4/131453177/ec1d2b02ad08.pdf
- http://files.vorderosaretrievers.com/uploads/1/3/0/9/130969663/muwuluxazowo.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/1975/4907/files/zozowag.pdf
- https://cdn.shopify.com/s/files/1/0434/8434/8569/files/kinasukewivusurupepegoj.pdf
- https://cdn.shopify.com/s/files/1/0433/9774/2750/files/mefizejifuzabunagetuzuvow.pdf
- https://cdn.shopify.com/s/files/1/0432/9812/8036/files/55310298802.pdf
- https://cdn.shopify.com/s/files/1/0428/9354/1532/files/96537024591.pdf
- https://cdn.shopify.com/s/files/1/0430/0803/2922/files/research_assistant_job_description.pdf
- https://cdn.shopify.com/s/files/1/0430/1560/2337/files/leduvaf.pdf
- https://cdn.shopify.com/s/files/1/0433/6756/3429/files/67576425946.pdf
- https://cdn.shopify.com/s/files/1/0431/9143/5422/files/7.pdf
- https://cdn.shopify.com/s/files/1/0429/8909/3018/files/97570437374.pdf
- https://cdn.shopify.com/s/files/1/0436/7722/1017/files/87325101054.pdf
- https://cdn.shopify.com/s/files/1/0428/2862/8135/files/digimon_world_digivolution_guide.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_off00006d31.bin89813cf5353dc5fa9295e8f913c508df6f71918f36962d1eb93981ad937de342 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D31 | 5832 bytes |
font_01_sfnt_off00008070.binc65aa27b32b6699c6fe804630e911f0aec3c0d27690df54a66bd5ff1f3ccc0dc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8070 | 12800 bytes |
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