MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, including one pointing to a known malicious redirector. The document body, though partially corrupted, includes text related to "conducting system of heart physiology pdf" and the authoring application "wkhtmltopdf", suggesting a lure to disguise malicious content. The presence of a link farm and a critical heuristic firing for malicious redirector links strongly indicates an attempt to lead the user to a harmful site.
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=conducting+system+of+heart+physiology+pdf
- http://pesuteg.legolasgoldens.com/uploads/1/3/1/1/131164574/sukobemipegavelid.pdf
- http://ruwusamat.canberrabirthservices.com/uploads/1/3/1/4/131438641/55032b98970.pdf
- http://lojezurum.rossdillon.com/uploads/1/3/0/8/130813710/7552318.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0427/8976/5279/files/ditaletodab.pdf
- https://cdn.shopify.com/s/files/1/0436/9183/5547/files/velitesabo.pdf
- https://cdn.shopify.com/s/files/1/0432/5598/8387/files/keledovivem.pdf
- https://cdn.shopify.com/s/files/1/0428/1312/8867/files/15745907147.pdf
- https://cdn.shopify.com/s/files/1/0431/6351/7092/files/fagibofupinedaxegu.pdf
- https://cdn.shopify.com/s/files/1/0427/6980/9575/files/critical_ops_mac.pdf
- https://cdn.shopify.com/s/files/1/0434/6170/5888/files/mitalodixezititukog.pdf
- https://cdn.shopify.com/s/files/1/0451/3798/5690/files/comment_fusionner_document.pdf
- https://cdn.shopify.com/s/files/1/0436/1568/2717/files/how_to_justify_in_word.pdf
- https://cdn.shopify.com/s/files/1/0431/8960/0414/files/lobosukevipufaxaluva.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_off00006cdf.bina66630578b014517121fa5c7e455c8861127cf56eee4b40981309851909e3061 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CDF | 5576 bytes |
font_01_sfnt_off00007fb1.bined9f32fa5ec501ea61ce60b054c72f5e8f6e373fac5e2d9f95896836ee914d61 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7FB1 | 9888 bytes |
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