MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to a redirector service (ttraff.com) that is known to host malicious content. The document body, though heavily obfuscated, contains text related to a "medical examination form for canada immigration", suggesting a social engineering lure. The presence of numerous links, including those to benign Shopify domains and other unknown domains, indicates a link farm designed to obscure the malicious redirector. The ML classifier also strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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=medical+examination+form+for+canada+immigration
- http://files.nanolab.info/uploads/1/3/1/3/131379749/befuraxigufero.pdf
- http://files.lewisrawlinson.com/uploads/1/3/0/7/130775649/9ef022b4c4a735.pdf
- http://dolotuzok.dangwaflorist.com/uploads/1/3/1/6/131606227/vinevotokok-modosubijudo-rolaw.pdf
- http://files.kulmschool.com/uploads/1/3/1/3/131398177/tupegusateke-fovape-jazak.pdf
- http://gowufo.palaciosviolin.com/uploads/1/3/1/0/131071157/b59130.pdf
- https://cdn.shopify.com/s/files/1/0434/0911/3253/files/73542062428.pdf
- https://cdn.shopify.com/s/files/1/0440/2138/3333/files/cursive_writing_file.pdf
- https://cdn.shopify.com/s/files/1/0430/2834/9079/files/95801134640.pdf
- https://cdn.shopify.com/s/files/1/0433/3764/6245/files/44292972139.pdf
- https://cdn.shopify.com/s/files/1/0430/0849/1673/files/8196007881.pdf
- https://cdn.shopify.com/s/files/1/0437/9131/9200/files/93846315983.pdf
- https://cdn.shopify.com/s/files/1/0430/6855/5415/files/levizafop.pdf
- https://cdn.shopify.com/s/files/1/0435/2029/5064/files/rawosok.pdf
- https://cdn.shopify.com/s/files/1/0435/6413/8651/files/tafseer_al_bayan.pdf
- https://cdn.shopify.com/s/files/1/0430/1206/3391/files/acceptance_and_commitment_therapy_hayes_pdf.pdf
- https://cdn.shopify.com/s/files/1/0428/8030/3270/files/callese_y_venda_gratis.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_off00007098.bin3ca145c091296d3d2e5580ff6623d786b913b808525ed1e854838d999b7ac8bc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7098 | 5236 bytes |
font_01_sfnt_off0000825e.bin5d9a963c976cab4684e2072ff09f1e44fd0aa5d2589dbed78f7a9effcdf55055 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x825E | 10144 bytes |
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