MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a mass external link farm, with one primary URL identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to an 'identifying nouns worksheet' and the malicious URL, suggesting a lure to trick users into clicking the link. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a phishing or redirection attack.
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=identifying+nouns+worksheet+with+answers
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/9075/6259/files/niziwexomugitu.pdf
- https://cdn.shopify.com/s/files/1/0429/7952/4759/files/45490487931.pdf
- https://cdn.shopify.com/s/files/1/0428/8492/3555/files/13755007732.pdf
- https://cdn.shopify.com/s/files/1/0437/2732/3301/files/pesipisokolaligebo.pdf
- https://cdn.shopify.com/s/files/1/0439/1239/6968/files/96577811473.pdf
- https://cdn.shopify.com/s/files/1/0435/8638/8123/files/pop_goes_punk_torrent.pdf
- https://cdn.shopify.com/s/files/1/0437/8945/1416/files/hand_job_videos.pdf
- https://cdn.shopify.com/s/files/1/0431/7744/3483/files/48817510037.pdf
- https://cdn.shopify.com/s/files/1/0434/6108/3301/files/jejononufite.pdf
- https://cdn.shopify.com/s/files/1/0430/8746/2551/files/assistant_commandant_question_paper.pdf
- https://cdn.shopify.com/s/files/1/0431/3071/6322/files/fedogizibovatag.pdf
- https://cdn.shopify.com/s/files/1/0436/3422/9398/files/zudimavutinazodunotibuwid.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_off00006988.bin473ff4bfc34e4581b8cfb8be16efdb855c347ac9c8e9d24a31e12c0f5314cce5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6988 | 5332 bytes |
font_01_sfnt_off00007bc8.bin54929ff28f74d5221d95383ce79fec7232d027a297f043d36a05b4d5a43a5aa1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7BC8 | 10220 bytes |
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