MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass external link farm, with the primary link directing to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/wix?keyword=darkest+dungeon+blueprint', suggesting a lure related to the game 'Darkest Dungeon'. The presence of numerous benign-looking PDF links hosted on Shopify indicates an attempt to blend malicious infrastructure with legitimate content. The ML classifier 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.cc/wix?keyword=darkest+dungeon+blueprint
- https://static.usrfiles.com/ugd/432b07_6435c35f5bac4baabc31697fd9d78137.pdf
- https://static.usrfiles.com/ugd/b8c837_e04cfbe82eb043ddbcb5868b31569016.pdf
- https://static.usrfiles.com/ugd/3bf302_cd914fa49150459d94dd30ef5528b8e6.pdf
- https://cdn.shopify.com/s/files/1/0434/9889/7574/files/wugusu.pdf
- https://cdn.shopify.com/s/files/1/0438/7949/7896/files/76203693007.pdf
- https://cdn.shopify.com/s/files/1/0432/7027/5237/files/lutav.pdf
- https://cdn.shopify.com/s/files/1/0427/6856/4380/files/mibeluga.pdf
- https://cdn.shopify.com/s/files/1/0435/2756/9576/files/95267869896.pdf
- https://cdn.shopify.com/s/files/1/0429/7208/6423/files/56340933769.pdf
- https://cdn.shopify.com/s/files/1/0438/2598/7734/files/tenajevozuw.pdf
- https://cdn.shopify.com/s/files/1/0438/3562/1536/files/aula_internacional_1_libro_profesor.pdf
- https://cdn.shopify.com/s/files/1/0431/6063/3504/files/3131886935.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006b32.bin44243104d53fe27eac3e27f516dce9176a6ea59f1fd343d472ad5ab2bcae5895 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B32 | 5328 bytes |
font_01_sfnt_off00007d50.bin0f85c486f754e88a63bcc70db87186824cdda289e926c68e1288a2bb44c55b85 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D50 | 1644 bytes |
font_02_sfnt_off000085ae.bin4589698a5c94f6711242693d7f277337c7ac4388d991cf5e374890435ec14c3a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x85AE | 10348 bytes |
font_03_sfnt_off0000a95f.bin7a021fca60ecd63275c5ac415a522ab2557a9ab5314ad652b8c52077bc6aedd5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA95F | 16096 bytes |
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