MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, including one identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'Preschool worksheets age 3' and the malicious redirector URL, suggesting a lure to trick users into clicking the link. The presence of a link farm further indicates an attempt to distribute malicious content or SEO manipulation.
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/pify?keyword=preschool+worksheets+age+3
- http://files.telluridefacials.com/uploads/1/3/1/3/131380158/rizenexired.pdf
- http://files.woodlandstuition.com/uploads/1/3/0/7/130775528/030020d9497.pdf
- http://wamogum.innovativestoneart.com/uploads/1/3/1/3/131380213/5403554ed91.pdf
- https://cdn.shopify.com/s/files/1/0435/7606/6207/files/lumujadulukogekazijaf.pdf
- https://cdn.shopify.com/s/files/1/0438/0921/0528/files/tawuxajubajexun.pdf
- https://cdn.shopify.com/s/files/1/0437/9426/8320/files/tigokataxuk.pdf
- https://cdn.shopify.com/s/files/1/0432/0706/5757/files/44832867320.pdf
- https://cdn.shopify.com/s/files/1/0463/9916/0475/files/14643514545.pdf
- https://cdn.shopify.com/s/files/1/0432/6686/7362/files/antivirus_for_iphone_6.pdf
- https://cdn.shopify.com/s/files/1/0431/5247/4267/files/zutida.pdf
- https://cdn.shopify.com/s/files/1/0431/6971/0242/files/50099603247.pdf
- https://cdn.shopify.com/s/files/1/0433/6871/0309/files/composite_gun_gungeon.pdf
- https://cdn.shopify.com/s/files/1/0430/6819/4978/files/51863514774.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_off00005dee.bin5b8e8218e0c6dced3a3c03259a9c91c3ade9470b7cd71f496e722728235e230e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5DEE | 5384 bytes |
font_01_sfnt_off00007045.bin896bf1a534b5803c916f87ce9722512426e50129f858850f3159109a0da98e3a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7045 | 10324 bytes |
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