MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, including one identified as a malicious redirector. The document body, though heavily obfuscated, contains text suggesting a lure related to AWS certification study guides, and the primary malicious URL is a redirector designed to lead users to further malicious content. The ML classifier also strongly indicated maliciousness.
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=aws+certification+study+guide+pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/b8c837_c9c0d176052c492e9d66330b231455c2.pdf
- https://static.usrfiles.com/ugd/0b46e6_db2b513b8ee846668cc048b341fa1e7e.pdf
- https://static.usrfiles.com/ugd/b8c837_47290f84890a4e0d8e292dde9666bc21.pdf
- https://static.usrfiles.com/ugd/b8c837_33d8c61b388f47fc97ebbf1c00f5c01f.pdf
- https://static.usrfiles.com/ugd/b8c837_5f33da28321c406381cb980a03448b05.pdf
- https://static.usrfiles.com/ugd/79e0dc_ca8046dfecbf4550a6f08867ac720da2.pdf
- https://static.usrfiles.com/ugd/b8c837_396629ec99d94ffd808ba9b983161948.pdf
- https://cdn.shopify.com/s/files/1/0435/2330/9727/files/fresnel_biprism_experiment.pdf
- https://cdn.shopify.com/s/files/1/0435/2802/8312/files/ableword_editor_download.pdf
- https://cdn.shopify.com/s/files/1/0434/3152/6557/files/witavakovibexukukutelopi.pdf
- https://cdn.shopify.com/s/files/1/0436/2698/7680/files/lumafomamobuwo.pdf
- https://cdn.shopify.com/s/files/1/0434/6321/3209/files/92974329823.pdf
- https://static.usrfiles.com/ugd/b8c837_d39e2a1635f048eca7c97ccc15301fde.pdf
- https://static.usrfiles.com/ugd/affb4a_7f7541e2e94443f18fea2bc055d576a7.pdf
- https://static.usrfiles.com/ugd/b8c837_95d3cb5d56764b24be6e54d0e39ab094.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_off00005b10.bind8175108dac4d8c7f2cef07b6f33b4bc4745c2abb665bf16670446de6bb0d5fe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B10 | 5476 bytes |
font_01_sfnt_off00006de0.bin09d0501a66815cad1f602bc4d2f0cb24a23381a55d74ca50e4b6415bc7e2f1a9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DE0 | 9780 bytes |
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