MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link to a known malicious redirector, indicating an attempt to lead the user to harmful content. The document also features a large number of external PDF links, suggesting a link farm or SEO manipulation tactic to obscure the malicious intent. The ML classifier strongly flagged this PDF as malicious.
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.link/wix?keyword=wastewater+engineering+treatment+and+resource+recovery+pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://26b23d9e-b3d5-4fc1-b4fb-6a93ecd6dfca.filesusr.com/ugd/45fd81_521b5e1e6b224c52b22fe389e2afec57.pdf?index=true
- https://3fae28d5-bb22-499e-a052-1b6dea07c713.filesusr.com/ugd/76156b_62cd732ea885481cb93d5cabdc3a9e81.pdf?index=true
- https://d0a1c165-e78a-4464-a9a1-8facee87e79c.filesusr.com/ugd/3eed2b_4ea03b45ce664f9f9cbe2eef7820c67b.pdf?index=true
- https://cdn.shopify.com/s/files/1/0432/5516/9182/files/94281062009.pdf
- https://cdn.shopify.com/s/files/1/0435/9297/4499/files/fate_the_traitor_soul_max_level.pdf
- https://c15907c1-102f-4808-a904-b51648de524a.filesusr.com/ugd/3835dd_dc6c5efc3d3747c2a3de06918bd1e548.pdf?index=true
- https://870698a2-4e05-4e86-8d14-2b7790669147.filesusr.com/ugd/3eb4bd_ef55e3d0260145a0b4abba627c9130d3.pdf?index=true
- https://cdn.shopify.com/s/files/1/0427/8393/2582/files/xumezajajapeterodu.pdf
- https://cdn.shopify.com/s/files/1/0431/1072/7842/files/aged_mirror_sheet.pdf
- https://cdn.shopify.com/s/files/1/0431/7180/7396/files/unilorin_admission_list_file.pdf
- https://cdn.shopify.com/s/files/1/0434/2956/0481/files/dezifaparufu.pdf
- https://cdn.shopify.com/s/files/1/0436/6866/8569/files/instructional_materials_service_animal_science_answers.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_off000046a6.bin9bb4a9f56758e54ca1b702c59b2f012311e8284a00409fb79a141c0d627913a7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x46A6 | 5712 bytes |
font_01_sfnt_off00005a2e.binbebafdd31e4f77b27c70df344b7c2093874a07650d0700852c4e3e7bd90d2d22 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A2E | 11396 bytes |
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