MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a malicious redirector link disguised with a seemingly innocuous title related to PDF annotation. This link, 'https://ttraff.cc/pify?keyword=how+to+annotate+pdf+in+notability', is designed to lead users to malicious infrastructure. The PDF also hosts a large number of external links, many pointing to Shopify domains, which is characteristic of a link farm used for SEO poisoning or to obscure malicious destinations. The ML classifier strongly flagged this PDF as malicious.
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.cc/pify?keyword=how+to+annotate+pdf+in+notability
- http://files.missmegandevine.com/uploads/1/3/0/9/130969874/wilapiripegato.pdf
- http://nezigur.rosamiliafornjea.org/uploads/1/3/1/0/131070420/nefenozoxebafu.pdf
- http://files.kleindesignclass.com/uploads/1/3/0/8/130874162/8054872.pdf
- https://cdn.shopify.com/s/files/1/0440/8908/2006/files/body_parts_name_in_english.pdf
- https://cdn.shopify.com/s/files/1/0432/4599/4146/files/44194366421.pdf
- https://cdn.shopify.com/s/files/1/0432/5244/9444/files/39884754196.pdf
- https://cdn.shopify.com/s/files/1/0435/7488/6563/files/gelatin_hydrolysis_test.pdf
- https://cdn.shopify.com/s/files/1/0430/1602/8309/files/ap_psychology_learning_test.pdf
- https://cdn.shopify.com/s/files/1/0435/8003/1135/files/77930258735.pdf
- https://cdn.shopify.com/s/files/1/0437/3420/4568/files/gelubatu.pdf
- https://cdn.shopify.com/s/files/1/0429/3564/8409/files/64956704404.pdf
- https://cdn.shopify.com/s/files/1/0435/7767/1843/files/tiwenobitojifitofejemewob.pdf
- https://cdn.shopify.com/s/files/1/0427/9628/6111/files/72166658986.pdf
- https://cdn.shopify.com/s/files/1/0428/1804/4070/files/lipaxekufakuboginu.pdf
- https://cdn.shopify.com/s/files/1/0433/9784/1054/files/kubota_zd326_service_manual.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_off0000604d.bin1715eb1209c12c9fa287e50743f61b322f0de3d1c73faa10bc685452eb03424f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x604D | 4844 bytes |
font_01_sfnt_off000070e8.bine8eb23c5c980677e45fc8b312a0f2be71d61f24369542a5b5b352c89b6d9f0d5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70E8 | 10556 bytes |
font_02_sfnt_off00009505.bin05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9505 | 4324 bytes |
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