MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a significant number of embedded links, with one pointing to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains the URL https://ttraff.ru/wix?keyword=article+of+the+week+template, which is flagged as a malicious redirector. The presence of numerous links to PDFs hosted on Shopify and other platforms suggests a link farm or SEO manipulation tactic, potentially to distribute further malicious content or to improve search engine ranking for 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/wix?keyword=article+of+the+week+template
- https://cdn.shopify.com/s/files/1/0464/0725/4171/files/thesis_presentation_latex_template.pdf
- https://cdn.shopify.com/s/files/1/0438/1225/7952/files/16809778234.pdf
- https://cdn.shopify.com/s/files/1/0431/3828/5725/files/xaniwamufokosigafotovume.pdf
- https://cdn.shopify.com/s/files/1/0437/6104/1569/files/auschwitz_doctor_s_eyewitness_account.pdf
- https://static.usrfiles.com/ugd/b8c837_b0da1d4032d04b75bf8ad127122a9d82.pdf
- https://static.usrfiles.com/ugd/b8c837_fc7fd14f55584cf981a041432a1bc95e.pdf
- https://static.usrfiles.com/ugd/b8c837_fe9d8082320a4ceab11390cfd2e64385.pdf
- https://static.usrfiles.com/ugd/b8c837_a6560a86dbcf4117848d2f1d9867529d.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mirogorozizodixomalejog.pdf
- https://cdn.shopify.com/s/files/1/0430/9542/5191/files/zunifegim.pdf
- https://cdn.shopify.com/s/files/1/0428/5654/6467/files/jekerakufofo.pdf
- https://cdn.shopify.com/s/files/1/0427/6423/9014/files/50078945946.pdf
- https://cdn.shopify.com/s/files/1/0438/4355/1392/files/bulesidori.pdf
- https://cdn.shopify.com/s/files/1/0439/4660/6760/files/fegup.pdf
- https://cdn.shopify.com/s/files/1/0440/5988/5733/files/11305066723.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_off00005e2f.binb72e81393e24ce5b5f95b9800fafed58fafa6ed2660cf64243ab8f8a03895cd4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E2F | 5224 bytes |
font_01_sfnt_off00006fda.bin8973c3fce7bc8319a14ea1402f4a69b67eb1546d455635de6e8b3b3005b1b2fa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FDA | 10428 bytes |
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