MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with a critical heuristic firing indicating it points to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that is also listed in the heuristics as a malicious redirector. The presence of many external links, including those hosted on Shopify, suggests an attempt to create a link farm for SEO manipulation or to distribute malicious content.
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.com/pify?keyword=subject+and+verb+agreement+quiz+pdf
- http://files.ems6b.com/uploads/1/3/2/7/132740880/9865283.pdf
- http://files.amanda-g.net/uploads/1/3/1/4/131437411/zufojolede-xakakik-lareku.pdf
- http://files.nanaspizzapr.com/uploads/1/3/2/7/132710565/ditimerogufanev.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/0041/4883/files/mitivogepagafabufatisev.pdf
- https://cdn.shopify.com/s/files/1/0431/6073/1803/files/adobe_photoshop_cs3_tutorials_in_urdu.pdf
- https://cdn.shopify.com/s/files/1/0434/2736/5031/files/92916955342.pdf
- https://cdn.shopify.com/s/files/1/0438/0190/3264/files/23373718644.pdf
- https://cdn.shopify.com/s/files/1/0439/1842/6267/files/ssc_stenographer_old_paper.pdf
- https://cdn.shopify.com/s/files/1/0434/5420/2018/files/65222570340.pdf
- https://cdn.shopify.com/s/files/1/0435/7170/8065/files/gakerixufuzuzepegowalum.pdf
- https://cdn.shopify.com/s/files/1/0431/3851/5095/files/84857928836.pdf
- https://cdn.shopify.com/s/files/1/0428/8158/1223/files/booker_prize_winner_books.pdf
- https://cdn.shopify.com/s/files/1/0432/1024/4256/files/guzokax.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_off00005de2.bin9a6265b81a63b46be4f436783681677acdc68f9499730be4a281b73ce2548154 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5DE2 | 5820 bytes |
font_01_sfnt_off000071ae.bin7ee3f9002025ac5125429870f35267c7d8501ae20e898ab166242dfeba1c3b11 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71AE | 10484 bytes |
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