MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file was flagged as malicious by a machine learning classifier and contains a critical heuristic firing for a malicious redirector link. The document body, though heavily obfuscated, contains the URL that triggered the redirector heuristic. The presence of numerous other PDF links, many pointing to Shopify domains, suggests a link farm or SEO poisoning attempt to mask the malicious redirector.
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=free+countdown+timer
- https://static.usrfiles.com/ugd/b8c837_d782272e28024ae292070558a03b5d79.pdf
- https://static.usrfiles.com/ugd/5926b4_de137705d264401dbb21691c4021e4f0.pdf
- https://static.usrfiles.com/ugd/73c254_d96a939f09ab4016ae3d78b8381b94a0.pdf
- https://cdn.shopify.com/s/files/1/0427/9664/6556/files/chapter_32_apush.pdf
- https://cdn.shopify.com/s/files/1/0439/8543/6830/files/78761914810.pdf
- https://cdn.shopify.com/s/files/1/0432/2518/6466/files/31482083008.pdf
- https://cdn.shopify.com/s/files/1/0437/7729/4498/files/19997552936.pdf
- https://cdn.shopify.com/s/files/1/0434/4011/1782/files/juvifezog.pdf
- https://cdn.shopify.com/s/files/1/0434/7520/6294/files/30920640923.pdf
- https://cdn.shopify.com/s/files/1/0434/4676/3677/files/research_proposal_on_absenteeism_in_the_workplace.pdf
- https://cdn.shopify.com/s/files/1/0432/3459/0878/files/13912991001.pdf
- https://cdn.shopify.com/s/files/1/0431/0473/1300/files/fe_chemical_review_manual.pdf
- https://cdn.shopify.com/s/files/1/0437/4613/2129/files/ziromoli.pdf
- https://cdn.shopify.com/s/files/1/0439/5725/6350/files/fidogegikilabiro.pdf
- https://cdn.shopify.com/s/files/1/0430/8307/1650/files/87575293263.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_off00006369.bin52768eaed2bb251fba7ff0fe0772ebfe56c6b51350ebe798bc215956e49fbfc9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6369 | 4712 bytes |
font_01_sfnt_off00007362.bin8bf1efaae3402dde582b61fded92cda1fafb296bbe732d0c0ae76ec8c739d188 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7362 | 10840 bytes |
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