MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm with numerous external links, one of which, https://ttraff.club/wix?keyword=an+aquatic+apocalypse+solutions+vocabulary+worksheet+answers, is a known malicious redirector. The document body is heavily obfuscated but appears to contain metadata related to the worksheet title and the authoring application, suggesting a lure document. 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.club/wix?keyword=an+aquatic+apocalypse+solutions+vocabulary+worksheet+answers
- http://tatijunus.fishbowllabs.com/uploads/1/3/1/6/131607662/52896.pdf
- http://zuramaxa.richlombino.com/uploads/1/3/1/4/131407406/2723245.pdf
- https://cdn.shopify.com/s/files/1/0428/2603/9463/files/77695453114.pdf
- https://cdn.shopify.com/s/files/1/0439/1718/1083/files/xifuv.pdf
- https://cdn.shopify.com/s/files/1/0437/1267/5995/files/rorulanirenemubukidifizak.pdf
- https://cdn.shopify.com/s/files/1/0433/8404/5719/files/fakuniruroramelurak.pdf
- https://cdn.shopify.com/s/files/1/0434/1104/6561/files/home_security_risk_assessment_template.pdf
- https://cdn.shopify.com/s/files/1/0463/2890/5889/files/85309231440.pdf
- https://5587f5d3-e6f0-4f11-9ceb-61caea442284.filesusr.com/ugd/ceb2e8_a623486622694dcb82869effc5f2e461.pdf?index=true
- https://59527e33-29b5-44a2-b710-c7938d39efa9.filesusr.com/ugd/e2b09b_7e076ee158e942e7b68bf64243970ad7.pdf?index=true
- https://bac88388-b9f9-424d-aeac-4de7fca36765.filesusr.com/ugd/70e7d4_faef314ddc37457b829be2be672754c7.pdf?index=true
- 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_off00005097.bin41123375ddf031c2921d06e3b1bcc88e8cf6f46094ae4f9679b412f3a28631d6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5097 | 5592 bytes |
font_01_sfnt_off000063b3.bindbfb3fe1c348d0511433b0fd531cb0d22d1330a25e807e260ed8a3f182538f12 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63B3 | 10140 bytes |
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