MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
The PDF file contains a large number of embedded links, masquerading as a document summary, with the primary link leading to a known malicious redirector. The ML classifier strongly indicates maliciousness, and the heuristic firings confirm the presence of malicious redirector links and a link farm designed to manipulate search engine results. The document body text and embedded URLs are consistent with a lure to a malicious site.
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=a+christmas+carol+stave+2+summary
- https://cdn.shopify.com/s/files/1/0428/5582/5567/files/6421936843.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/84005007378.pdf
- https://cdn.shopify.com/s/files/1/0447/6734/6839/files/sustainable_aquaculture.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mirizopenifipometetotagoz.pdf
- https://cdn.shopify.com/s/files/1/0432/8249/7696/files/puzupafiz.pdf
- https://cdn.shopify.com/s/files/1/0429/8535/7463/files/ragako.pdf
- https://cdn.shopify.com/s/files/1/0428/8702/0703/files/nagakirok.pdf
- https://cdn.shopify.com/s/files/1/0428/8475/9711/files/15870225691.pdf
- https://cdn.shopify.com/s/files/1/0465/0709/8262/files/ultrasound_guided_axillary_brachial_plexus_block_video.pdf
- https://cdn.shopify.com/s/files/1/0433/3400/8987/files/mapa_baixa_lisboa.pdf
- https://static.usrfiles.com/ugd/b8c837_99b5213a15f74a8fbdafc03698a44b45.pdf
- https://static.usrfiles.com/ugd/bdeb4c_2191909cb9f0437792d03c6ba641d9b4.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_off000067c2.bin2dfbfe2246c7c640e7d10a328e04bfaaad984e959a1523621af1af5f71e157f9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67C2 | 5324 bytes |
font_01_sfnt_off000079bf.bin6e69e42fb04bc536d4fdddae5c90969048c65f10bff9cb92b931c0d91ce7385e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79BF | 9532 bytes |
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