MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a critical heuristic firing for linking to known malicious redirector infrastructure, specifically 'https://ttraff.ru/pify?keyword=bookman+old+style+bold+font'. Additionally, it exhibits a PDF link farm pattern with numerous external links, many pointing to Shopify domains. The ML classifier strongly flagged this PDF as malicious, indicating a high likelihood of malicious intent. The embedded URLs suggest an attempt to lure users to malicious sites, likely for further exploitation or credential harvesting.
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.ru/pify?keyword=bookman+old+style+bold+font
- http://files.normcaronphotography.com/uploads/1/3/2/6/132696249/7648649.pdf
- http://files.ronaldgrayministries.org/uploads/1/3/0/7/130739072/9271725.pdf
- http://rofudexiv.montessorieducationforautism.com/uploads/1/3/1/4/131437949/pebitosusogogarutexe.pdf
- http://files.sfvlsa.org/uploads/1/3/1/6/131606402/819e1.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/6418/0390/files/x_art_password.pdf
- https://cdn.shopify.com/s/files/1/0446/7766/0825/files/lymphoma_blood_test_report.pdf
- https://cdn.shopify.com/s/files/1/0435/2717/6344/files/after_effects_text_animation_tutorials.pdf
- https://cdn.shopify.com/s/files/1/0433/3712/1951/files/algas_verdes_caracteristicas.pdf
- https://cdn.shopify.com/s/files/1/0430/0003/7527/files/javascript_tutorialspoint_download.pdf
- https://cdn.shopify.com/s/files/1/0434/6878/3766/files/koguvufas.pdf
- https://cdn.shopify.com/s/files/1/0432/2846/3271/files/cours_anglais_6me.pdf
- https://cdn.shopify.com/s/files/1/0434/6180/4197/files/viravulevavofizefitetinur.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/67142307476.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_off00005381.bin13819e17b2f3cada2715ca1f92b20c3c5650167ec542065639e15aaaf621685e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5381 | 5312 bytes |
font_01_sfnt_off00006587.bin0b8a5ab1e1c57d3937000c80e8796aeca468bbfd6e9eb86abde86fc75f89693f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6587 | 12148 bytes |
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