MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to domains associated with link farms and redirectors. The primary malicious link, 'https://ttraff.ru/pify?keyword=initial+stage+crossword+answer', is identified as a malicious redirector. The document body, though heavily obfuscated, contains this URL and other Shopify links, suggesting a lure to download further malicious content. 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.ru/pify?keyword=initial+stage+crossword+answer
- http://wipipa.universalwellnessaz.com/uploads/1/3/2/3/132302780/5609615.pdf
- http://xiton.caloriecorner.com/uploads/1/3/0/9/130969060/bokesarawoziwuda.pdf
- http://files.negass.org/uploads/1/3/1/3/131379706/bikorefuzajube.pdf
- https://cdn.shopify.com/s/files/1/0430/3205/1873/files/pevib.pdf
- https://cdn.shopify.com/s/files/1/0429/9587/5993/files/zend_avesta_espaol_gratis.pdf
- https://cdn.shopify.com/s/files/1/0430/8038/4674/files/36003926318.pdf
- https://cdn.shopify.com/s/files/1/0437/8581/4173/files/chain_rule_derivative_practice.pdf
- https://cdn.shopify.com/s/files/1/0432/8760/9497/files/jepogalabikevolok.pdf
- https://cdn.shopify.com/s/files/1/0432/2725/0848/files/zaxurak.pdf
- https://cdn.shopify.com/s/files/1/0438/3509/7245/files/80821359797.pdf
- https://cdn.shopify.com/s/files/1/0437/0844/8922/files/is_it_legal_to_download_youtube_videos.pdf
- https://cdn.shopify.com/s/files/1/0431/0981/0343/files/417579257.pdf
- https://cdn.shopify.com/s/files/1/0433/6130/4728/files/povusulalolufolimo.pdf
- https://cdn.shopify.com/s/files/1/0433/4295/4661/files/lijokupo.pdf
- https://cdn.shopify.com/s/files/1/0438/4486/2114/files/pdf_annotation_app_windows_10.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000061b2.bin8aefa6c5a6eb5ff63829ecd6d49bd1d2e1e6fb9f482f06aecd4d8b11b499a50a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61B2 | 5136 bytes |
font_01_sfnt_off0000733c.binafd3a068da8674875b054c0fefd5ca57d4189f9eaf01629b62cc82ca28a1f7af |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x733C | 10140 bytes |
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