MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to Shopify-hosted PDF files, suggesting a link farm for SEO manipulation or to obscure malicious redirects. One critical heuristic identified a link to known malicious redirector infrastructure at 'https://ttraff.cc/wix?keyword=laszlo+polgar+chess'. The ML classifier also strongly indicated maliciousness.
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=laszlo+polgar+chess
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/4506/8699/files/30432410472.pdf
- https://cdn.shopify.com/s/files/1/0437/4256/0407/files/16290096035.pdf
- https://cdn.shopify.com/s/files/1/0431/5014/7733/files/atheros_csi_tool.pdf
- https://cdn.shopify.com/s/files/1/0430/2585/8723/files/43262253771.pdf
- https://cdn.shopify.com/s/files/1/0430/0655/8359/files/napawuvilo.pdf
- https://cdn.shopify.com/s/files/1/0436/8983/6697/files/kigivizamijan.pdf
- https://cdn.shopify.com/s/files/1/0428/0962/2691/files/fixama.pdf
- https://cdn.shopify.com/s/files/1/0432/5713/5257/files/5778975147.pdf
- https://cdn.shopify.com/s/files/1/0430/7792/7072/files/81592894410.pdf
- https://cdn.shopify.com/s/files/1/0434/0944/0924/files/oecd_tp_guidelines_2018.pdf
- https://static.usrfiles.com/ugd/b8c837_3ee1cf382a9e47acaf634a3dbb58835d.pdf
- https://static.usrfiles.com/ugd/1cc7e8_4cfa3f1f440448318b0e1a48a854f94d.pdf
- https://static.usrfiles.com/ugd/b8c837_3192a14a0fbe4f5593de9274581fa9d7.pdf
- https://static.usrfiles.com/ugd/77d535_c7decf94f47a4471b0893e7f0167375e.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000715a.bin534b69613434a94b15a23b683e9517bfd8da54771128ec1d2b7900f387b9d35d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x715A | 5184 bytes |
font_01_sfnt_off00008306.bin93ef5228b3403a60b598ed5ec49958338b9dcfc5ce81cbb583ea4320f2188043 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8306 | 11064 bytes |
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