MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF document was flagged by a machine learning classifier and contains a large number of external links, including one pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the URL https://ttraff.cc/wix?keyword=stephen+king+colorado+kid, which is likely used to redirect users to a malicious site. The presence of numerous links to shopify.com and static.usrfiles.com suggests a link farm designed to distribute malicious content.
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.cc/wix?keyword=stephen+king+colorado+kid
- https://cdn.shopify.com/s/files/1/0435/3196/0474/files/wipezojoridawodavi.pdf
- https://cdn.shopify.com/s/files/1/0435/1960/6936/files/11649123863.pdf
- https://cdn.shopify.com/s/files/1/0435/3631/8616/files/sevesirexawivebetejuk.pdf
- https://cdn.shopify.com/s/files/1/0432/9875/0629/files/gaxapilunapigurerup.pdf
- https://static.usrfiles.com/ugd/c12414_1ccddc160b9f42eeb4a6c3eec261cbc9.pdf
- https://static.usrfiles.com/ugd/38bf1f_a90888b820ba4d24ad2c87696b9fe5d4.pdf
- https://cdn.shopify.com/s/files/1/0432/8390/6724/files/blender_2._79_book.pdf
- https://cdn.shopify.com/s/files/1/0430/5738/1530/files/bepojug.pdf
- https://cdn.shopify.com/s/files/1/0430/3945/7431/files/ropowe.pdf
- https://cdn.shopify.com/s/files/1/0434/5724/9430/files/blood_one_unit_whole_blood.pdf
- https://cdn.shopify.com/s/files/1/0432/1342/2753/files/43245507070.pdf
- https://cdn.shopify.com/s/files/1/0432/5723/3576/files/27090209316.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/
- https://static.usrfiles.com/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000620f.bincb63a5c5c0d61b37881f349c4bf2fc560e6bdeaa443ac4a7c97c62036cb2a2b6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x620F | 5324 bytes |
font_01_sfnt_off00007419.bin0df458556b006f50951b5939f516f3d42b67413e001463717ed4deddf18e4a56 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7419 | 10168 bytes |
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