MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a significant number of external links, with one identified as a malicious redirector. The ML classifier strongly indicated maliciousness. The document body, though heavily obfuscated, contains metadata suggesting it was generated by wkhtmltopdf, a tool sometimes used to create malicious PDFs. The primary attack vector appears to be a link farm designed to lure users 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.com/pify?keyword=into+the+unknown+sheet+music+frozen+pdf
- http://files.rainkraft.in/uploads/1/3/1/4/131452740/zoxuraki_votujegi_mumor.pdf
- http://files.fincacafe.com/uploads/1/3/0/7/130740069/f1019.pdf
- http://files.alwayshelpful.org/uploads/1/3/1/4/131437241/7137734.pdf
- https://cdn.shopify.com/s/files/1/0427/9032/2342/files/83470280679.pdf
- https://cdn.shopify.com/s/files/1/0431/9143/5422/files/zanekon.pdf
- https://cdn.shopify.com/s/files/1/0433/4757/4943/files/9081226860.pdf
- https://cdn.shopify.com/s/files/1/0431/6397/5835/files/lixidixokawus.pdf
- https://cdn.shopify.com/s/files/1/0433/6146/8574/files/95715434724.pdf
- https://cdn.shopify.com/s/files/1/0431/0522/2822/files/natedufujizejivakuden.pdf
- https://cdn.shopify.com/s/files/1/0436/2836/3939/files/91340618619.pdf
- https://cdn.shopify.com/s/files/1/0433/6635/0998/files/nakisubabumoki.pdf
- https://cdn.shopify.com/s/files/1/0430/8657/7818/files/gilufojegivaw.pdf
- https://cdn.shopify.com/s/files/1/0431/5601/3205/files/11317911726.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_off00005a0a.bin66e9c4bbe4204203b6851b54343b4eb8b7acc279b33a8fb093765fe69202f332 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A0A | 5180 bytes |
font_01_sfnt_off00006b98.binb9f47e528d73e7e12b7a415a4b89ac5c0f9c75b9c09cded673ec3042d9fb227b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B98 | 10140 bytes |
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