MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with a critical heuristic firing for a malicious redirector. The document body, though heavily obfuscated, contains a URL that appears to be the primary lure. The presence of multiple links to external PDFs, including one identified as a redirector, suggests a campaign focused on driving traffic or distributing further payloads.
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.link/wix?keyword=autocad+software+free++full+version+2015
- https://static.usrfiles.com/ugd/314c35_b4530283190e4b4fa8c0961fa4fd497e.pdf
- https://static.usrfiles.com/ugd/3b0c81_60291ef39cc74b32bd77821370acd12b.pdf
- https://static.usrfiles.com/ugd/f515ca_cdfdfea06c904b83a6bad4df6bedc376.pdf
- https://static.usrfiles.com/ugd/576447_125ccf5d6dc04cb0ba5aff6cfe268714.pdf
- https://static.usrfiles.com/ugd/b8c837_5503682375f64e54a3e89ee9cbca0933.pdf
- https://cdn.shopify.com/s/files/1/0435/9369/5395/files/vurozipunofexazijupininif.pdf
- https://cdn.shopify.com/s/files/1/0440/1571/4469/files/19985657139.pdf
- https://cdn.shopify.com/s/files/1/0427/7505/2454/files/79084032203.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/22650439267.pdf
- https://cdn.shopify.com/s/files/1/0432/6411/4852/files/61614806135.pdf
- https://cdn.shopify.com/s/files/1/0436/5231/7342/files/68507453815.pdf
- https://cdn.shopify.com/s/files/1/0436/2554/5890/files/encyclopedia_brown_book_1.pdf
- https://cdn.shopify.com/s/files/1/0437/1048/0533/files/gunobi.pdf
- https://static.usrfiles.com/ugd/e3ed1f_b0e443cd484d47f69c7fe80979ff43b6.pdf
- https://static.usrfiles.com/ugd/4b874d_828b3c2051f3456180461187198d88b2.pdf
- https://static.usrfiles.com/ugd/b8c837_b9d89722f75f483983a8e7d72e5640f8.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_off00006677.bin07278bd6d7d568fcbc8fd4e77e0f566a38f71fd859cfd60d93692c11d65b21b7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6677 | 5604 bytes |
font_01_sfnt_off000079bb.bin2e80ce365490c2465146f457a343ca75a1d7c7d908163a38ec4cbb6bbf5a6ae9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79BB | 12636 bytes |
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