MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a critical heuristic firing for a malicious redirector at 'https://ttraff.ru/pify?keyword=arterial+blood+pressure+monitoring+pdf'. The document body, though heavily obfuscated, also contains this URL, suggesting a lure to a malicious site. The presence of a large number of external PDF links, many hosted on Shopify, indicates a link farm designed to improve search engine ranking for malicious content.
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=arterial+blood+pressure+monitoring+pdf
- http://files.dogoodstore.net/uploads/1/3/0/7/130776249/vibubokisexan.pdf
- http://files.buttecollegebcea.org/uploads/1/3/1/4/131453998/2695778.pdf
- http://files.counterearthgrid.com/uploads/1/3/1/4/131453989/01ba145147b0.pdf
- https://cdn.shopify.com/s/files/1/0435/9100/8418/files/windows_7_pro_oa_download_hp.pdf
- https://cdn.shopify.com/s/files/1/0438/9833/9496/files/podijidikutesuzo.pdf
- https://cdn.shopify.com/s/files/1/0431/0463/2992/files/lobufojiteb.pdf
- https://cdn.shopify.com/s/files/1/0435/9726/7112/files/56923285563.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zugazad.pdf
- https://cdn.shopify.com/s/files/1/0434/6635/8934/files/perimeter_of_polygons_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0437/4609/9349/files/55495469030.pdf
- https://cdn.shopify.com/s/files/1/0433/3423/8362/files/sirogipov.pdf
- https://cdn.shopify.com/s/files/1/0432/2738/1920/files/wefuwulududinul.pdf
- https://cdn.shopify.com/s/files/1/0431/0669/7367/files/95897016044.pdf
- https://cdn.shopify.com/s/files/1/0437/0877/6600/files/9391147617.pdf
- https://cdn.shopify.com/s/files/1/0430/4162/0119/files/divinity_original_sin_2_nude_mod.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_off00006393.bin193cb002929a62a11ef8078fdfc4c179d548029f5ce766650090f2e260af8f2f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6393 | 5492 bytes |
font_01_sfnt_off00007626.bin675fd02f8eb831df4c8a704a339822f702d9e54258d0f8b7f53cc0b50501f934 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7626 | 10256 bytes |
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