MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.com, which is likely intended to lead the user to a malicious site. The document body itself is heavily obfuscated but contains the same malicious URL. The presence of numerous other PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning attempt to distribute the malicious content. No scripts were extracted, limiting the analysis of further payload delivery or persistence mechanisms.
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.com/pify?keyword=teorema+binomial+newton+pdf
- http://files.cristinaaucone.com/uploads/1/3/1/3/131378835/simizipodotifub-xokikij-moresoto.pdf
- http://files.kftstudio.com/uploads/1/3/1/3/131384424/kuzaz_nuranaje_wapirujuk.pdf
- http://files.vanvliet-kassenbouw.nl/uploads/1/3/1/4/131483097/mosozojejo_zazeletexo.pdf
- http://files.alaskaseakayaking.org/uploads/1/3/0/7/130776022/6777858.pdf
- https://cdn.shopify.com/s/files/1/0432/6254/1982/files/29402407207.pdf
- https://cdn.shopify.com/s/files/1/0430/0885/2117/files/kuseritizofufonovi.pdf
- https://cdn.shopify.com/s/files/1/0431/3346/8821/files/lutasazezowufoxuxuvaxi.pdf
- https://cdn.shopify.com/s/files/1/0428/7227/5103/files/85259529156.pdf
- https://cdn.shopify.com/s/files/1/0435/6957/8147/files/advanced_articles_exercises.pdf
- https://cdn.shopify.com/s/files/1/0430/4509/3533/files/51130377676.pdf
- https://cdn.shopify.com/s/files/1/0434/7048/7712/files/roremizulajaf.pdf
- https://cdn.shopify.com/s/files/1/0434/3313/2184/files/jebojuxunokujogij.pdf
- https://cdn.shopify.com/s/files/1/0429/3882/6918/files/59224587430.pdf
- https://cdn.shopify.com/s/files/1/0437/6811/9445/files/36521540401.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/
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000bdce.bind5435995354f6847d4ee43a62a43cd01fe62faec56b164ee341b352a3aa7e586 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBDCE | 5188 bytes |
font_01_sfnt_off0000cf67.binc0d11d556d698a1f04e1119de69be8dec4c3135cbf2f63d7a40ac012e9d38405 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF67 | 16300 bytes |
font_02_sfnt_off000102b3.binf940c844c00eb02b001ed5499b7dd8be50631201eee9e1fd44cea8a5f6426f4d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102B3 | 16380 bytes |
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