MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains text fragments and the URL itself, suggesting a lure related to a 'dd form'. The presence of numerous external PDF links, many hosted on 'static.usrfiles.com' and 'cdn.shopify.com', indicates a link farm or content distribution network used to host further malicious content. The ML classifier also strongly flagged this PDF as malicious.
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=dd+form+2656+jan+2018+pdf
- https://cdn.shopify.com/s/files/1/0437/5543/8241/files/nikejobekoloz.pdf
- https://cdn.shopify.com/s/files/1/0439/0243/5483/files/98993850252.pdf
- https://cdn.shopify.com/s/files/1/0432/3603/2680/files/cissp_certification_exam_format.pdf
- https://cdn.shopify.com/s/files/1/0437/9957/6733/files/gate_verbal_ability_questions.pdf
- https://static.usrfiles.com/ugd/b8c837_54aad7d810dd4103ae80cbe8a25fa19b.pdf
- https://static.usrfiles.com/ugd/ed64d2_63d6267366a748899aa8615a8b648b84.pdf
- https://static.usrfiles.com/ugd/b8c837_b01b54efad984754a2f8fd1c8321ce2c.pdf
- https://static.usrfiles.com/ugd/b8c837_4632d93b52e34ebea3979979fadd4870.pdf
- https://static.usrfiles.com/ugd/b8c837_ef9c58fd780d47ad954c7516dc40384f.pdf
- https://static.usrfiles.com/ugd/b8c837_841970b253014081974b0b7abd077333.pdf
- https://static.usrfiles.com/ugd/dc98cc_5af87e070dc948d798277d2b274c544b.pdf
- https://static.usrfiles.com/ugd/cfa91a_ebeadec648644ffd9c8ecdee6b9e4271.pdf
- https://static.usrfiles.com/ugd/b8c837_4b28dbd51aa849438d16c2af0ff31a96.pdf
- https://static.usrfiles.com/ugd/69b86f_4bc9e71def164cdbbd9b1016c7caf0c1.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_off00009c53.bin61c37337b924e008c8b945865af185b3067200eb54eb7c7ae8a99bbfdc0afd84 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9C53 | 5848 bytes |
font_01_sfnt_off0000b030.bin797f1f1560363b5a5e813ac0c59b7d049697bf1aaeca2069022d68ecbbb1abe7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB030 | 11148 bytes |
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