MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/wix?keyword=autodesk+sketchbook+tutorial+espa%25C3%25B1ol'. This indicates the document's primary purpose is to redirect users to malicious infrastructure. The presence of a large number of external PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to increase visibility. The ML classifier also 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.cc/wix?keyword=autodesk+sketchbook+tutorial+espa%25C3%25B1ol
- https://cdn.shopify.com/s/files/1/0451/6606/7866/files/froggy_goes_to_camp_worksheets.pdf
- https://cdn.shopify.com/s/files/1/0433/4639/5304/files/60819816526.pdf
- https://cdn.shopify.com/s/files/1/0453/3475/7531/files/language_activities_for_kindergarten.pdf
- https://cdn.shopify.com/s/files/1/0431/8275/1893/files/31175699773.pdf
- https://cdn.shopify.com/s/files/1/0433/2349/0457/files/7792105310.pdf
- https://cdn.shopify.com/s/files/1/0432/5313/7576/files/26326750880.pdf
- https://cdn.shopify.com/s/files/1/0432/7895/8758/files/zaxowusasodit.pdf
- https://cdn.shopify.com/s/files/1/0437/0553/2569/files/alice_in_wonderland_graphic_novel.pdf
- https://static.usrfiles.com/ugd/b8c837_632dc816256b42d1bbeacd3c617a18c7.pdf
- https://static.usrfiles.com/ugd/2b3f46_2ccde6e52b774dc3bc5946b3335b2e87.pdf
- https://static.usrfiles.com/ugd/b8c837_ec4a275d710244c5a2b50610b0d6abd1.pdf
- https://static.usrfiles.com/ugd/b8c837_3dac6d33d23745beac1c2bc26ccdf979.pdf
- https://static.usrfiles.com/ugd/b8c837_45596a660d2d478ab33f6b427a3f0e8f.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_off00006bf6.bine7b8cb38b416404fdc0c69dee7a22ec5ffe9f7b22be602f22a65146368a4d162 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6BF6 | 5564 bytes |
font_01_sfnt_off00007e8a.bin7f644680d56ea62af40a5a6fdd96e3b5ffcfafcd1b861983bf8f17fa640e780f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E8A | 10500 bytes |
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