MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to benign Shopify URLs, but one prominent link directs to a known malicious redirector. The document body, though heavily obfuscated, contains the text "Learning guitar for dummies" and the malicious URL, suggesting a lure to a phishing or malware distribution site. The ML classifier strongly indicated maliciousness, and the presence of a redirector URL confirms a malicious intent to lead the user to a harmful destination.
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/wix?keyword=learning+guitar+for+dummies
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/2530/0629/files/34469623454.pdf
- https://cdn.shopify.com/s/files/1/0429/2070/6204/files/21894670310.pdf
- https://cdn.shopify.com/s/files/1/0433/0445/2246/files/dererusav.pdf
- https://cdn.shopify.com/s/files/1/0428/2748/1255/files/dadot.pdf
- https://cdn.shopify.com/s/files/1/0431/6240/2967/files/nowibilerodosu.pdf
- https://static.usrfiles.com/ugd/d5cf39_a14dee3ddc934ffe874cde2978f33089.pdf
- https://static.usrfiles.com/ugd/b98abb_fbdc0b5e5a4b4ea1a95abc5060361385.pdf
- https://static.usrfiles.com/ugd/b8c837_6b55a81714a74976b0b84c4e3d273943.pdf
- https://static.usrfiles.com/ugd/b8c837_40b0e2f330ed48b687c04fd0fa65e47c.pdf
- https://static.usrfiles.com/ugd/6290de_cbc23abe4eda48ef9dd94e6108214281.pdf
- https://static.usrfiles.com/ugd/b8c837_cb6a9758c2f04997957071f5dc67302f.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/67142307476.pdf
- https://cdn.shopify.com/s/files/1/0435/4143/0440/files/17242596696.pdf
- https://cdn.shopify.com/s/files/1/0429/7850/8953/files/datufugeger.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008c2a.binb48dcc87992b9e0cddb5605192768a43aeaccb3e62e90929353fd6eea642ccf8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C2A | 5136 bytes |
font_01_sfnt_off00009d8d.bin80ada8a81a694d9711932aaafad6c2cf4b58f15fc73c61a542d430ed1bcc4e22 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9D8D | 10676 bytes |
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