MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and heuristics indicating malicious redirector links and a link farm. The document body contains a URL pointing to a known malicious redirector, ttraff.com, which is likely used to obscure the final destination of the malicious content. The presence of numerous links to external PDFs, many hosted on Shopify, suggests a link farm or SEO spam tactic to drive traffic.
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=neurofibromatosis+type+1+and+2+pdf
- http://setut.khaolakdivecenter.com/uploads/1/3/1/6/131636903/113b6f.pdf
- http://files.gallinsfarm.com/uploads/1/3/1/0/131071019/xebajijupipuge.pdf
- http://files.springdalesva.com/uploads/1/3/0/7/130738725/75683bd39ba.pdf
- https://cdn.shopify.com/s/files/1/0435/2848/7072/files/dizuzi.pdf
- https://cdn.shopify.com/s/files/1/0440/2744/5398/files/character_analysis_thesis.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/70354855800.pdf
- https://cdn.shopify.com/s/files/1/0434/4227/4471/files/que_es_el_cerebro.pdf
- https://cdn.shopify.com/s/files/1/0431/4929/5776/files/kifaf.pdf
- https://cdn.shopify.com/s/files/1/0439/7573/7502/files/conditional_operator_in_c_example.pdf
- https://cdn.shopify.com/s/files/1/0433/5799/5160/files/child_psychology_in_telugu.pdf
- https://cdn.shopify.com/s/files/1/0434/5187/5494/files/10620520649.pdf
- https://cdn.shopify.com/s/files/1/0434/8480/7334/files/warubegoreg.pdf
- https://cdn.shopify.com/s/files/1/0429/2873/4367/files/52538560064.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_off0000868d.bin6a7a6a26f9b3b9ed1dfb74a49d877b2b23a8eed32d9e50413fc8e57a4b124668 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x868D | 5548 bytes |
font_01_sfnt_off0000995d.binccd986f8eddf561e4fb8e49ccaaf8f4ad3cd39c1f745e3250c1c76c838433c5c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x995D | 10812 bytes |
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