MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link to a known malicious redirector, ttraff.cc, which is likely used to obscure the final malicious destination. The document also hosts a large number of external PDF links, many pointing to Shopify, suggesting a link farm or SEO manipulation tactic to distribute malicious content. The ML classifier 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/pify?keyword=invertebrate+paleontology+by+clarkson+pdf
- http://files.chiyoungkim.com/uploads/1/3/2/6/132696580/8dea2f4da5.pdf
- http://surofi.castlecreationsflorals.com/uploads/1/3/2/7/132741555/9744878.pdf
- http://files.catholicdocta.com/uploads/1/3/1/8/131856188/4e945f.pdf
- http://files.samanthajeankosakowski.com/uploads/1/3/2/6/132681479/b19cc1458f7.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/3491/8568/files/masij.pdf
- https://cdn.shopify.com/s/files/1/0431/5506/2938/files/dijarepov.pdf
- https://cdn.shopify.com/s/files/1/0436/9226/1529/files/77685956196.pdf
- https://cdn.shopify.com/s/files/1/0432/4176/7072/files/49849168605.pdf
- https://cdn.shopify.com/s/files/1/0434/5479/1846/files/69187979655.pdf
- https://cdn.shopify.com/s/files/1/0432/3062/5950/files/wedipikutajigum.pdf
- https://cdn.shopify.com/s/files/1/0444/0260/6246/files/les_techniques_d_analyse_biologique.pdf
- https://cdn.shopify.com/s/files/1/0432/9147/6133/files/stevie_nicks_wiki.pdf
- https://cdn.shopify.com/s/files/1/0436/4386/3198/files/xufub.pdf
- https://cdn.shopify.com/s/files/1/0428/9075/6259/files/zapefax.pdf
- https://cdn.shopify.com/s/files/1/0434/7559/9524/files/gloriana_trouble_lyrics.pdf
- https://cdn.shopify.com/s/files/1/0439/9307/1774/files/91751638994.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_off00004782.bin8d27c8017cad6281f297ac17b191efd28fa8e9fe108640492039fa01c3f24b31 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4782 | 5624 bytes |
font_01_sfnt_off00005ac0.bina4f405150d20f92cdd4cc067274521e6c85f72b697e175a1dd6a044db33cc225 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5AC0 | 9904 bytes |
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