MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains a URL that matches the malicious redirector. This suggests the PDF is part of a link farm or SEO poisoning campaign designed to redirect users to malicious sites.
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=pleomorphic+adenoma+of+parotid+gland+case+report
- http://jivukeb.paulavanbeek.com/uploads/1/3/1/4/131407253/xoxipaf-wejise-nalasuvana.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0439/2153/9240/files/topical_antifungal_drugs.pdf
- https://cdn.shopify.com/s/files/1/0437/8561/7566/files/medical_tourism_marketing.pdf
- https://cdn.shopify.com/s/files/1/0433/0664/7717/files/50668180306.pdf
- https://cdn.shopify.com/s/files/1/0428/1883/0503/files/gupetisizozadajepedeki.pdf
- https://cdn.shopify.com/s/files/1/0429/3056/9382/files/24524908671.pdf
- https://cdn.shopify.com/s/files/1/0429/4003/9324/files/jozovidabezasijipilis.pdf
- https://cdn.shopify.com/s/files/1/0430/4686/3005/files/bopagus.pdf
- https://cdn.shopify.com/s/files/1/0428/2168/1315/files/xukesirapuputi.pdf
- https://cdn.shopify.com/s/files/1/0458/5917/6601/files/ascom_i62_guide.pdf
- https://cdn.shopify.com/s/files/1/0433/0458/3318/files/pimejotiwekug.pdf
- https://cdn.shopify.com/s/files/1/0427/7298/8071/files/11040436203.pdf
- https://cdn.shopify.com/s/files/1/0427/6640/1692/files/51861111141.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007e27.bin22385ca20d4b6abf70f0ce89766a402f6f57970ceed5d74b7a64f867bc5d9f6e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E27 | 5568 bytes |
font_01_sfnt_off000090e8.bin9472bd003791dc6d71877e553c22565ae632e0aab1ab8a9c31e9c2d553cba82c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x90E8 | 11128 bytes |
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