MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links that redirect to a malicious URL, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains the URL that is likely intended to lure the user. The PDF_SEO_LINK_FARM heuristic indicates a large number of links, many pointing to Shopify domains, suggesting a link farm used for SEO poisoning or to mask the malicious redirector. The ML classifier also strongly indicated 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.ru/wix?keyword=diferansiyel+denklemler+%25C3%25A7%25C3%25B6z%25C3%25BCml%25C3%25BC+kita
- https://cdn.shopify.com/s/files/1/0428/9665/4489/files/josefetos.pdf
- https://cdn.shopify.com/s/files/1/0431/5765/1613/files/reports_app_instagram_profile_stalkers.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mituvazejuremoposanizama.pdf
- https://cdn.shopify.com/s/files/1/0427/6797/4556/files/algebraic_number_theory.pdf
- https://cdn.shopify.com/s/files/1/0448/9153/7563/files/radajigoreletagom.pdf
- https://cdn.shopify.com/s/files/1/0430/4506/0762/files/ff14_bardam_s_mettle_guide.pdf
- https://cdn.shopify.com/s/files/1/0435/1007/1460/files/30312887501.pdf
- https://cdn.shopify.com/s/files/1/0437/7188/7767/files/taridula.pdf
- https://cdn.shopify.com/s/files/1/0432/6572/0486/files/36574813110.pdf
- https://cdn.shopify.com/s/files/1/0432/8967/3888/files/wafegedobijevitenuxuxakeb.pdf
- https://cdn.shopify.com/s/files/1/0430/8851/1125/files/fijodogi.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_off00004522.bin39f43b2220e825cafef204fa84963a6177eff762feb45e0b72e989b246549dad |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4522 | 5708 bytes |
font_01_sfnt_off00005813.bine73830a4bb202b0221ba94e3c61521b1fd6b2e9cf01aebe7e43783d8debcb13d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5813 | 10720 bytes |
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