MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a malicious redirector link disguised as a list of Android version names. The primary heuristic indicates a PDF malicious redirector link pointing to 'ttraff.com', which is a known malicious infrastructure. The document body also contains this URL and numerous other links hosted on Shopify, likely part of a link farm to improve SEO for 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.com/pify?keyword=android+version+names+a+to+z+list
- http://files.annieseaton.net/uploads/1/3/0/7/130739987/5b0edc20691.pdf
- https://cdn.shopify.com/s/files/1/0435/2396/5079/files/sezisediv.pdf
- https://cdn.shopify.com/s/files/1/0429/9508/9559/files/xigiroxejumudig.pdf
- https://cdn.shopify.com/s/files/1/0435/6410/5886/files/lopujagezowisodijuv.pdf
- https://cdn.shopify.com/s/files/1/0428/1742/1479/files/ronijoxanepife.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kepudanunakadop.pdf
- https://cdn.shopify.com/s/files/1/0431/7465/8216/files/tepefozo.pdf
- https://cdn.shopify.com/s/files/1/0430/7727/1713/files/zimivus.pdf
- https://cdn.shopify.com/s/files/1/0429/9010/8833/files/zerolupugixananag.pdf
- https://cdn.shopify.com/s/files/1/0435/1531/4330/files/cyprus_student_visa_application_form.pdf
- https://cdn.shopify.com/s/files/1/0428/9586/8057/files/femadolakonukigobide.pdf
- https://cdn.shopify.com/s/files/1/0432/7319/1587/files/lopesagumupema.pdf
- https://cdn.shopify.com/s/files/1/0430/7684/5728/files/dajutatif.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_off000066b6.bin6d5b4e2693119849d00474280c402646866abe12752943fb818f1c555fdb3fce |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66B6 | 5072 bytes |
font_01_sfnt_off000077e7.bin6c0e771573778d62bc0b021f6bf5da1296e9cc028dcad6287959e6b570ee2978 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77E7 | 12348 bytes |
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