MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass of external links, many pointing to Shopify domains hosting other PDFs, suggesting a link farm for SEO manipulation or to obscure malicious redirects. One critical heuristic identified a link to a known malicious redirector at 'https://ttraff.cc/pify?keyword=japanese+economic+development+theory+and+practice+pdf'. The ML classifier strongly supports the malicious verdict. No scripts were extracted, but the presence of numerous links indicates a delivery mechanism focused on user interaction with external resources.
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/pify?keyword=japanese+economic+development+theory+and+practice+pdf
- http://files.amandajbarker.com/uploads/1/3/2/6/132695258/zabawijesot-mewuw.pdf
- http://files.ofp.cosmo-ufes.org/uploads/1/3/1/4/131407547/sopamafom_fosegaruzixe_doropivarov_nedipok.pdf
- http://files.stokehammondpc.com/uploads/1/3/1/4/131453855/tiboperusujox.pdf
- https://cdn.shopify.com/s/files/1/0428/1604/5222/files/lemikuwufusomufoles.pdf
- https://cdn.shopify.com/s/files/1/0432/3773/6603/files/42312113456.pdf
- https://cdn.shopify.com/s/files/1/0431/5929/0022/files/jowokupanisopafe.pdf
- https://cdn.shopify.com/s/files/1/0430/6331/2533/files/zujugavesusileletejij.pdf
- https://cdn.shopify.com/s/files/1/0432/6073/9752/files/51669613135.pdf
- https://cdn.shopify.com/s/files/1/0434/3264/0664/files/jikumevexazese.pdf
- https://cdn.shopify.com/s/files/1/0431/5381/7762/files/73565569496.pdf
- https://cdn.shopify.com/s/files/1/0431/7052/9436/files/67563495912.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bebupikisanomagidilu.pdf
- https://cdn.shopify.com/s/files/1/0434/3208/3612/files/undo_jupyter_notebook.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bamizubonofosexewa.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_off00005d41.binfaea9d435057c67deaccaf4e24c9a87afa8d43be90fe8602d903e52eabbf9082 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D41 | 5548 bytes |
font_01_sfnt_off00007005.bin94b0c82480ceec07db8312923337d8e2d0be0fb05d84db9453c5c09f92b48c41 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7005 | 10244 bytes |
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