MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link that redirects to malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains text related to 'pdf viewer free download' and the malicious URL, suggesting a social engineering lure. The PDF_SEO_LINK_FARM heuristic indicates a large number of outbound links, many of which are benign but likely serve to mask the malicious redirector.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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/wb?keyword=pdf%20viewer%20free%20download%20for%20windows%208.1
- http://zokope.rrbonline.ca/uploads/1/3/1/4/131453028/xaxot.pdf
- http://files.sexeyshospital.org/uploads/1/3/1/4/131406717/lekoxivo_kubum_dezak.pdf
- http://benoneju.drivelearning.org/uploads/1/3/0/8/130813714/bajurabo-gikitakiduxov-ruxosufezuwer.pdf
- https://cdn.shopify.com/s/files/1/0427/4972/2790/files/western_union_receive_money_form.pdf
- https://cdn.shopify.com/s/files/1/0434/3057/6295/files/the_jaunt_stephen_king_read_online.pdf
- https://cdn.shopify.com/s/files/1/0435/7164/2527/files/sekomakokaganudadatokuto.pdf
- https://cdn.shopify.com/s/files/1/0431/4673/9868/files/6200968622.pdf
- https://cdn.shopify.com/s/files/1/0432/2574/3515/files/50258886723.pdf
- https://cdn.shopify.com/s/files/1/0432/6418/0390/files/lerusogowek.pdf
- https://cdn.shopify.com/s/files/1/0433/2437/5194/files/nuvikexugovoge.pdf
- https://cdn.shopify.com/s/files/1/0437/9443/2161/files/guneverikowurix.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/86372263330.pdf
- https://cdn.shopify.com/s/files/1/0433/7877/0076/files/bullworker_exercise_chart_download.pdf
- https://cdn.shopify.com/s/files/1/0435/3225/5392/files/zofemuxutuza.pdf
- https://cdn.shopify.com/s/files/1/0430/5531/7149/files/8375615734.pdf
- https://cdn.shopify.com/s/files/1/0432/4625/6295/files/27153035219.pdf
- https://cdn.shopify.com/s/files/1/0434/1104/6561/files/tonuzofi.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_off000066a7.bin4e10a7a05f733810ab29e278dd3c50a30abb604bd71797f8f92e3b704df34bce |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66A7 | 5332 bytes |
font_01_sfnt_off000078f3.bin7114b86c4471c519b91d11e71960c9b2bf239bbbd51ba31136ea31170217cb13 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78F3 | 10100 bytes |
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