MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links, one of which, 'https://ttraff.com/pify?keyword=cyclothymia+test+pdf', is flagged as a malicious redirector. The document body text, though garbled, contains the same URL, suggesting a lure to a malicious site. The presence of numerous other PDF links, many hosted on Shopify, indicates a link farm strategy, likely to improve SEO for the malicious redirector. No scripts were extracted, but the PDF structure itself facilitates the malicious redirection.
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.com/pify?keyword=cyclothymia+test+pdf
- http://files.glasgowchamber.net/uploads/1/3/1/1/131164431/tudifozamilan.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/texirid.pdf
- https://cdn.shopify.com/s/files/1/0437/4301/9159/files/57308840927.pdf
- https://cdn.shopify.com/s/files/1/0440/1407/6069/files/xizaxojazudozitibov.pdf
- https://cdn.shopify.com/s/files/1/0438/6340/8795/files/93429375501.pdf
- https://cdn.shopify.com/s/files/1/0434/4971/2807/files/lirawibid.pdf
- https://cdn.shopify.com/s/files/1/0429/2050/9596/files/esxi_embedded_host_client.pdf
- https://cdn.shopify.com/s/files/1/0432/3698/2944/files/75732460965.pdf
- https://cdn.shopify.com/s/files/1/0438/2942/8384/files/carnivores_dinosaur_hunter_apk_mod_free.pdf
- https://cdn.shopify.com/s/files/1/0431/1033/4620/files/compost_crossword_answer.pdf
- https://cdn.shopify.com/s/files/1/0438/8916/4440/files/best_free_flyer_psd_templates.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_off00006b3f.bin2b96002d1a65fada0c1d1540f36a740316c587fb840d5a308f1b6e1627b21c59 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B3F | 5304 bytes |
font_01_sfnt_off00007d2b.bin864e22e8f48e50b83a4f92c7ca29d14dfd3ee3db9c80251c97f12a6e3f526041 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D2B | 10068 bytes |
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