MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains a large number of embedded links, many of which point to external PDF files, suggesting a link farm for SEO manipulation or to distribute malicious content. One critical heuristic identified a link to known malicious redirector infrastructure, specifically 'https://ttraff.ru/pify?keyword=jeeves+and+wooster+piano+sheet+music+free'. The document body, though heavily obfuscated, contains text related to 'Jeeves and wooster piano sheet music free' and the authoring application, which is likely a lure to encourage clicks on the embedded links.
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=jeeves+and+wooster+piano+sheet+music+free
- http://files.glabachfarm.com/uploads/1/3/1/3/131383838/lituxid-geribaxejejodaf-tutuboziro.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0437/9354/7426/files/tinubipusunufufikazur.pdf
- https://cdn.shopify.com/s/files/1/0433/9941/3925/files/xinamibevixidu.pdf
- https://cdn.shopify.com/s/files/1/0429/5848/7703/files/mufari.pdf
- https://cdn.shopify.com/s/files/1/0436/5379/1909/files/1782079638.pdf
- https://cdn.shopify.com/s/files/1/0432/8577/4502/files/airplane_crash_reports.pdf
- https://cdn.shopify.com/s/files/1/0431/7885/2507/files/98004219612.pdf
- https://cdn.shopify.com/s/files/1/0432/0005/3408/files/kozam.pdf
- https://cdn.shopify.com/s/files/1/0436/2538/2051/files/os_sete_temperamentos_humanos.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xidegafizupewutuzu.pdf
- https://cdn.shopify.com/s/files/1/0430/7006/2754/files/zefizazutisuruxobu.pdf
- https://cdn.shopify.com/s/files/1/0432/9078/8000/files/42923239977.pdf
- https://cdn.shopify.com/s/files/1/0434/7500/9696/files/terry_eagleton_the_ideology_of_the_aesthetic.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_off00004690.bin9fb5f59d2a9557576c45016548f8f3f81e0756821b4c2cd32edd38f581df5305 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4690 | 5504 bytes |
font_01_sfnt_off00005933.bin7309d3e188ef4dc5eb18bc4a07578351bb75385b0321e20608ff2f0626bb42d1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5933 | 10152 bytes |
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