MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to a URL that attempts to trick the user into downloading a file. The document body, though heavily obfuscated, contains the target URL and keywords suggesting a download lure. The presence of a large number of external PDF links further supports the SEO spam/link farm heuristic.
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/wix?keyword=zosi+client+download+esee
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bujebunefevefosilipepeju.pdf
- https://cdn.shopify.com/s/files/1/0428/9206/6975/files/addition_property_of_equality_definition.pdf
- https://cdn.shopify.com/s/files/1/0434/1714/1415/files/possessivi_italiano.pdf
- https://cdn.shopify.com/s/files/1/0430/4463/4773/files/numabigemikikulezimow.pdf
- https://static.usrfiles.com/ugd/b8c837_01436e5cf17443a6b313bf18edc2cb05.pdf
- https://static.usrfiles.com/ugd/b8c837_46a560164ed24750b3b965e884e7aac6.pdf
- https://static.usrfiles.com/ugd/b8c837_03cd2da1f9fc42399650b944f5b7e15d.pdf
- https://static.usrfiles.com/ugd/67e251_22828d7e34274e6089528c95a45d22fb.pdf
- https://static.usrfiles.com/ugd/b8c837_fa1f752720434b9f9ac4a1fb941376a8.pdf
- https://static.usrfiles.com/ugd/b8c837_c7112932bd574c32bcf9b88ad9cab949.pdf
- https://cdn.shopify.com/s/files/1/0429/6025/7177/files/guide_to_data_analytics_basics_for_managers.pdf
- https://cdn.shopify.com/s/files/1/0435/7485/3793/files/lufodorevebaxewo.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_off00005799.bin09d1eb7da6f1ecdad8081f411931e850d82256e6e79305cc18f48c69f29c31a8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5799 | 4888 bytes |
font_01_sfnt_off0000685c.bin2f2cc4be7fa77e1a5a3fae1a4d2b21309b35513159a70bbc5057160f6f09f8cc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x685C | 10368 bytes |
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