MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, with one pointing to a known malicious redirector. The document body, though heavily obfuscated, suggests a lure related to a medical examination. The presence of numerous links, including those to benign Shopify domains, indicates a potential SEO poisoning or link farm strategy to distribute malicious content. No scripts were extracted, but the PDF structure and embedded links are indicative of a phishing or malware distribution attempt.
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.ru/pify?keyword=examen+bact%25C3%25A9riologique+du+liquide+c%25C3%25A9phalo+rachidien+pdf
- http://files.ruggyd.us/uploads/1/3/1/4/131438069/8480279.pdf
- http://files.imperialtobaccocollection.co.uk/uploads/1/3/0/7/130776725/dagirikasad.pdf
- http://files.frenchfoodexports.com/uploads/1/3/2/6/132681080/2212042.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0436/6876/6873/files/21804915784.pdf
- https://cdn.shopify.com/s/files/1/0433/2729/1544/files/sezeredajojisujo.pdf
- https://cdn.shopify.com/s/files/1/0438/4551/7469/files/56096055103.pdf
- https://cdn.shopify.com/s/files/1/0431/8697/8984/files/57723923106.pdf
- https://cdn.shopify.com/s/files/1/0430/9427/8293/files/zuvibud.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/50751207741.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/55864873889.pdf
- https://cdn.shopify.com/s/files/1/0430/8028/6372/files/20919000064.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/25618010541.pdf
- https://cdn.shopify.com/s/files/1/0437/4996/5978/files/46707565491.pdf
- https://cdn.shopify.com/s/files/1/0430/2520/3354/files/rudujedapobaw.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_off00007b02.bin9ea0b25f3422becc3861c861291391eb5a39c965b4959b77aaa4f8549b01ce86 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B02 | 5704 bytes |
font_01_sfnt_off00008deb.bine5b360114610c3bfc03a398e7e50fbaa29fe6b2dbb3a38d56a31d6f3716d34a3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8DEB | 12492 bytes |
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