MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link to a known malicious redirector, ttraff.ru, which is likely used to host further malicious content or phishing pages. The document also features a large number of links to external PDFs, suggesting a link farm or SEO manipulation tactic. While no scripts were extracted, the presence of malicious links and the ML classifier's high confidence indicate a high likelihood of malicious intent.
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=caterpillar+butterfly+transformation
- http://files.hbdixon.com/uploads/1/3/1/6/131606360/6083889.pdf
- http://files.efreewarrensburg.com/uploads/1/3/2/3/132303359/7463981.pdf
- http://files.i90land.com/uploads/1/3/0/9/130969278/01a81dacc2a93c.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/8801/1673/files/21690946919.pdf
- https://cdn.shopify.com/s/files/1/0427/8288/4006/files/convert_to_kindle_format_via_amazon_service.pdf
- https://cdn.shopify.com/s/files/1/0438/0160/8353/files/all_cars_logo_with_name.pdf
- https://cdn.shopify.com/s/files/1/0433/0032/3478/files/catatonic_schizophrenia.pdf
- https://cdn.shopify.com/s/files/1/0437/8053/8529/files/74931847893.pdf
- https://cdn.shopify.com/s/files/1/0437/8047/2984/files/goxudasemilegezafupuseg.pdf
- https://cdn.shopify.com/s/files/1/0432/0660/7012/files/pofufuxumikunavibes.pdf
- https://cdn.shopify.com/s/files/1/0429/8424/3363/files/caverne_de_platon.pdf
- https://cdn.shopify.com/s/files/1/0440/3170/5238/files/bc_hunting_regs.pdf
- https://cdn.shopify.com/s/files/1/0435/7586/9603/files/2495642336.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_off00005fba.binb8341ebd4b65fe3c5fa9f4f3b6f56f3d6899e16e02ba7fed01423aa16e76ce15 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FBA | 5196 bytes |
font_01_sfnt_off0000714d.bin461026be5305e6374ecc71dd92e108829484186e0a5d847cbe2d45f1b8c0ef4c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x714D | 10308 bytes |
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