MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm pointing to numerous Shopify URLs and a primary malicious redirector at ttraff.ru. The document body, though heavily obfuscated, contains the target URL and references to 'isometric grid a4 pdf', suggesting a lure. The ML classifier strongly indicated maliciousness, and the PDF_MALICIOUS_REDIRECTOR_LINK heuristic confirms the presence of a 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.ru/pify?keyword=isometric+grid+a4+pdf
- http://files.satorigames.co.uk/uploads/1/3/1/4/131454586/ripamolegideso.pdf
- http://vojifumol.marigatemplewest.com/uploads/1/3/0/8/130814124/2947778.pdf
- http://files.blackbeltherbs.com/uploads/1/3/1/3/131380777/831586.pdf
- http://files.prettylittlepotions.com/uploads/1/3/0/7/130738704/mugavaferepezexeduzu.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/69865881622.pdf
- https://cdn.shopify.com/s/files/1/0434/5636/4711/files/4745039981.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vebamuwonodivori.pdf
- https://cdn.shopify.com/s/files/1/0440/6237/6088/files/rowuxuve.pdf
- https://cdn.shopify.com/s/files/1/0428/0595/2671/files/527329122.pdf
- https://cdn.shopify.com/s/files/1/0435/2632/4383/files/19471617018.pdf
- https://cdn.shopify.com/s/files/1/0441/1149/5320/files/ceptam_9_notification.pdf
- https://cdn.shopify.com/s/files/1/0432/0909/7376/files/56619602163.pdf
- https://cdn.shopify.com/s/files/1/0432/7846/7222/files/miropebijurigaxatomapejo.pdf
- https://cdn.shopify.com/s/files/1/0437/4672/1946/files/vimop.pdf
- https://cdn.shopify.com/s/files/1/0428/9832/5671/files/lua_split_string.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_off0000622e.bin9d6bced12dd66bdca8fc36cd8ba3cad89678d1cc56a3c8d5713ce77fce8dada3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x622E | 5468 bytes |
font_01_sfnt_off000074bd.bina05d57713c2fb4b7f669b756b71b1640cc45b6ea2d282a0b8a3dc6bb59008d53 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74BD | 10312 bytes |
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