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.cc/pify?keyword=tuberculosis+chest+x+ray+report', is identified as a malicious redirector. The document body, though heavily obfuscated, appears to contain this URL and other benign-looking PDF file links, suggesting a lure to trick users into clicking the malicious link. The ML classifier 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/pify?keyword=tuberculosis+chest+x+ray+report
- http://gasiwop.zhengfilm.com/uploads/1/3/0/7/130739616/f67424242c213.pdf
- http://morug.andrewsimspiano.com/uploads/1/3/0/7/130775565/2597e.pdf
- http://files.wildlifehabitatecologylab.com/uploads/1/3/2/6/132681145/a907a.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/8488/9758/files/learn_english_filetype.pdf
- https://cdn.shopify.com/s/files/1/0437/3705/5393/files/8690179619.pdf
- https://cdn.shopify.com/s/files/1/0428/0382/2755/files/rousseau_social_contract_summary.pdf
- https://cdn.shopify.com/s/files/1/0429/2601/4630/files/adverbs_of_frequency_questions_exercises.pdf
- https://cdn.shopify.com/s/files/1/0438/5079/3110/files/sobobavo.pdf
- https://cdn.shopify.com/s/files/1/0435/6482/6783/files/busitovudujinuxolejonato.pdf
- https://cdn.shopify.com/s/files/1/0432/4232/4125/files/nginx_log_format.pdf
- https://cdn.shopify.com/s/files/1/0431/6423/7992/files/kojigo.pdf
- https://cdn.shopify.com/s/files/1/0429/5114/7679/files/fuweradokafinomo.pdf
- https://cdn.shopify.com/s/files/1/0432/0536/1821/files/sikasalixuruxora.pdf
- https://cdn.shopify.com/s/files/1/0459/8602/1543/files/dubekere.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_off0000727c.bin840b6a468cc58956b7985c244f0e4cf6abb40268e7290a0db2a16b5717b83fc4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x727C | 5280 bytes |
font_01_sfnt_off00008471.bina6685d0a2a5edb3d5e9a0bfee1820ceec40daa19fcc7e7333d9ad7b1a989620e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8471 | 10068 bytes |
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