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 a link farm hosted on cdn.shopify.com. One of these links, https://ttraff.cc/wix?keyword=reynolds+adolescent+depression+scale+short+form, is identified as a malicious redirector. The document body, though heavily obfuscated, contains text that appears to be a document title, likely intended to trick the user into clicking the malicious link.
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.cc/wix?keyword=reynolds+adolescent+depression+scale+short+form
- https://cdn.shopify.com/s/files/1/0435/3051/8682/files/pulsar_150_hd_pic.pdf
- https://cdn.shopify.com/s/files/1/0438/8909/8907/files/28773131431.pdf
- https://cdn.shopify.com/s/files/1/0428/3292/0732/files/jizis.pdf
- https://static.usrfiles.com/ugd/b47706_c884622e40964391bf56e5b4b47bbc8e.pdf
- https://static.usrfiles.com/ugd/99afdc_09a5882e376d46d7b0bfc7dbf8915036.pdf
- https://static.usrfiles.com/ugd/b8c837_82978ccb474743e383af397d10f35d19.pdf
- https://cdn.shopify.com/s/files/1/0437/6988/8917/files/champion_evaporative_cooler_manual.pdf
- https://cdn.shopify.com/s/files/1/0435/3766/2103/files/absolute_value_equations_word_problems_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0435/8373/3915/files/guvolatoxapumabalozoxoje.pdf
- https://cdn.shopify.com/s/files/1/0437/1211/8952/files/fe_study_guide.pdf
- https://cdn.shopify.com/s/files/1/0437/0196/0854/files/aznor_electrodomesticos_burgos.pdf
- https://cdn.shopify.com/s/files/1/0429/4452/8550/files/dinamicas_de_integracion_para_nios.pdf
- https://cdn.shopify.com/s/files/1/0430/0469/0581/files/simple_nitrogen_cycle.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_off000060cb.binad60ed1372afcf92e942feb83f104c85497e10f6cb9b105efc7602fa7c395bfc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x60CB | 5504 bytes |
font_01_sfnt_off00007363.bin12ad1d20097eca01c296f3fe236fba84fcd41e462ff1cc1750cf0926f195c508 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7363 | 10460 bytes |
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