MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.com, which is disguised as a 'boomsday puzzle lab guide'. The PDF also exhibits characteristics of a link farm, with numerous external links, many pointing to static.usrfiles.com. The ML classifier strongly indicates maliciousness. The primary attack pattern involves luring the user to a malicious site via a deceptive link.
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=boomsday+puzzle+lab+guide
- https://static.usrfiles.com/ugd/b8c837_7c60409515f1431898c3ca459170e341.pdf
- https://static.usrfiles.com/ugd/405339_87cef6a8156a46dc9c9e684188644234.pdf
- https://static.usrfiles.com/ugd/b8c837_17c8f6c4e40b4f0fa3f29c9311347c6c.pdf
- https://static.usrfiles.com/ugd/808d8c_085aab3713d249b78e940780b2936a21.pdf
- https://cdn.shopify.com/s/files/1/0431/2681/6932/files/98500511871.pdf
- https://cdn.shopify.com/s/files/1/0432/3993/2067/files/cladogram_analysis_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0428/6627/8556/files/93865791848.pdf
- https://cdn.shopify.com/s/files/1/0463/2490/8193/files/17782671153.pdf
- https://static.usrfiles.com/ugd/b8c837_65107c90225148b7ab58151f91e311ad.pdf
- https://static.usrfiles.com/ugd/affaa6_d05ec5b93be44692adec6e3805b0a716.pdf
- https://static.usrfiles.com/ugd/0b46e6_46a815c9874b4fabb759f8c4a8c2e020.pdf
- https://static.usrfiles.com/ugd/e3834b_6262ac60c7e143e09088940fabb1e8a1.pdf
- https://static.usrfiles.com/ugd/3b7182_d83dbfae089d4077a6b1236549700ff5.pdf
- https://cdn.shopify.com/s/files/1/0434/7923/6773/files/62787749984.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/72707516801.pdf
- https://cdn.shopify.com/s/files/1/0438/3699/7792/files/supersu_2._82_zip.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_off00007bcf.bin6a2ecda24c6a44f6091e7fef157778f8fdd813aacbc23e3a2163f0f090a83158 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7BCF | 5524 bytes |
font_01_sfnt_off00008e99.bin60168a0003175c87df1f434f2c89a8668391a01f15ea8721af5d0cdeb3704d4b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8E99 | 10472 bytes |
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