MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link to a known malicious redirector, ttraff.cc, which is likely used to obscure the final destination of the malicious payload. The document body also contains a large number of links to various PDF files hosted on Shopify, suggesting a link farm or SEO poisoning attempt to attract victims. The ML classifier strongly indicates maliciousness.
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=yellow+rose+of+texas+sheet+music+free
- http://files.samanthanathey.com/uploads/1/3/1/8/131856173/8277457.pdf
- http://files.metrodetroitmun.org/uploads/1/3/1/3/131384281/239654.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/4911/5029/files/5237950427.pdf
- https://cdn.shopify.com/s/files/1/0428/1666/7815/files/phd_thesis_powerpoint_template.pdf
- https://cdn.shopify.com/s/files/1/0434/6265/6152/files/26177852820.pdf
- https://cdn.shopify.com/s/files/1/0430/6580/2903/files/ropugubajofolotuzeximom.pdf
- https://cdn.shopify.com/s/files/1/0431/9802/1793/files/agricultural_science_book.pdf
- https://cdn.shopify.com/s/files/1/0431/7813/1611/files/72186864023.pdf
- https://cdn.shopify.com/s/files/1/0429/9443/4202/files/35786450438.pdf
- https://cdn.shopify.com/s/files/1/0437/6795/5610/files/tukexoxebesede.pdf
- https://cdn.shopify.com/s/files/1/0431/5276/9192/files/java_graphics_programming_books.pdf
- https://cdn.shopify.com/s/files/1/0440/5939/4213/files/tixujilajasojafemabewafev.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/54313135065.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_off00005fa6.bine58a5c2b1be2e82b865725e1f726c199ef4d934eed5b7bc41d7f76b995e20cfa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FA6 | 5244 bytes |
font_01_sfnt_off0000716d.binca928ba1f15da0152eac06da4c0484930a9fe10dcb1d955fa00c198cf60a55a5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x716D | 10504 bytes |
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