MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1204.002 Malicious Link
T1059.001 Command and Scripting Interpreter: PowerShell
The PDF contains a large number of embedded links, many pointing to external PDF files, which is indicative of a link farm or SEO spam campaign. One critical heuristic identified a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that appears to be part of this redirection scheme, suggesting the primary goal is to drive traffic to malicious sites.
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.link/wix?keyword=pediatric+plastic+surgery+medical+college+of+wisconsin
- http://wixep.scripted-joy.com/uploads/1/3/1/4/131407241/faxizopi.pdf
- http://files.easternpoint.org/uploads/1/3/1/3/131383949/4199210.pdf
- http://files.authorkayshanee.com/uploads/1/3/1/0/131069887/d597f107ad3b.pdf
- http://wejon.raisingthedeadband.com/uploads/1/3/1/4/131453784/girexukir.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vuwizesovipijekugufex.pdf
- https://cdn.shopify.com/s/files/1/0429/6795/7660/files/12882243690.pdf
- https://cdn.shopify.com/s/files/1/0438/7838/3771/files/32454719526.pdf
- https://cdn.shopify.com/s/files/1/0438/7926/8520/files/iowa_dnr_contact_information.pdf
- https://cdn.shopify.com/s/files/1/0427/5847/1846/files/84427660455.pdf
- https://cdn.shopify.com/s/files/1/0464/8632/3352/files/ms_points_codes.pdf
- https://cdn.shopify.com/s/files/1/0428/2476/1507/files/pandoc_install_engine.pdf
- https://cdn.shopify.com/s/files/1/0430/5649/6791/files/raxonabalamumawipe.pdf
- https://db6b2b01-b162-498f-af28-6e493eded2b0.filesusr.com/ugd/9d7ad9_e79553496e8d4e53b27455ac568e216d.pdf?index=true
- https://ce4c9986-8d0f-4380-8440-b8f076f23c2a.filesusr.com/ugd/dcf311_98eb7c3d362c4fadb58f8ae2d7726274.pdf?index=true
- 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_off00005360.bin397f1c3ca4d42681a47404a2276866cccb58721835064fd29481a330a8d5625f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5360 | 5672 bytes |
font_01_sfnt_off000066ad.bin232e276118a4eff709db2d3aa82e24ed11937a252b5cbc9086b258b196d18341 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66AD | 10236 bytes |
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