MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm designed to redirect users to malicious infrastructure, specifically the URL https://ttraff.com/pify?keyword=visual+anatomy+and+physiology+lab+ma. This is supported by critical heuristic firings indicating a malicious redirector link and a link farm. The ML classifier also strongly flagged this PDF as malicious. The document body, though partially corrupted, contains references to academic materials, likely as a lure.
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=visual+anatomy+and+physiology+lab+ma
- http://files.theblinddogranch.com/uploads/1/3/0/7/130740429/8591422.pdf
- http://sawixero.artfeltstudio.com/uploads/1/3/0/7/130738546/107337.pdf
- https://cdn.shopify.com/s/files/1/0427/7207/0556/files/50161889408.pdf
- https://cdn.shopify.com/s/files/1/0437/3974/2369/files/89820088345.pdf
- https://cdn.shopify.com/s/files/1/0440/4844/9686/files/celeste_wiki_guide.pdf
- https://cdn.shopify.com/s/files/1/0432/7761/5262/files/12198448231.pdf
- https://cdn.shopify.com/s/files/1/0434/3191/9765/files/82027315718.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/ruwisosipopiwusanitilowaz.pdf
- https://cdn.shopify.com/s/files/1/0433/8915/7537/files/guided_cow_elk_hunts_utah.pdf
- https://cdn.shopify.com/s/files/1/0431/9235/2931/files/64101321138.pdf
- https://cdn.shopify.com/s/files/1/0433/9204/1118/files/3_bedroom_flat_plan_drawing.pdf
- https://cdn.shopify.com/s/files/1/0436/9301/5190/files/11822935502.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_off00006fba.bin0949a8afe81dcaa4c34a9609d93cdb44466acd7791b5301cdbe4c39c352e3a78 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FBA | 5484 bytes |
font_01_sfnt_off0000823c.bin9eff947c34d9033d7f1d91f923162838269ab977a0ab5464007865e42d7da966 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x823C | 10560 bytes |
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