MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of embedded links, many of which point to external resources. One of these links, 'https://ttraff.com/wix?keyword=elif+batuman+the+possessed', is identified as a malicious redirector. The PDF also includes a link farm strategy, directing users to various PDF files hosted on Shopify. The presence of a PHP webshell heuristic suggests a potential for code execution, although no scripts were directly extracted. The ML classifier strongly indicates maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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PHP webshell / backdoor source high WEBSHELL_PHPThe file contains PHP server-side code with the signature of a webshell/backdoor (request input fed to a command/code-exec sink). A webshell takes attacker input from an HTTP request and runs commands/code on the server. Flagged as a malicious hacktool artifact even when carried inside a document or archive — the code does not execute from the carrier, but the file is a webshell.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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.com/wix?keyword=elif+batuman+the+possessed In PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9702/1854/files/http_aka.ms_xboxsetup_laisse_comme.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2398/1979/files/33380209873.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4211/1650/files/fuzapudeva.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_304c82db875343c7814cc21b1dfc30bc.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_936e6d706b1745e681c286eb4167454a.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0461/7119/files/an_anthropologist_on_mars_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1916/4058/files/baldur_s_gate_2_enhanced_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4472/4133/files/95527086547.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8020/3944/files/yam_agrarian_reform_farmers_cooperative.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_250c8889548e4b2fb66aed7fd1bd1af5.pdfIn PDF document text
- https://static.usrfiles.com/ugd/8d57bd_d62696e2c37645c9a121c6bd818abbcd.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_8657dfc8d9494d70855fa76bb9c1a0e7.pdfIn PDF document text
- https://static.usrfiles.com/ugd/26938b_865c7f37eec74c6498958dc91d722d1e.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005860.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5860 | 5280 bytes |
SHA-256: 9d845022c627832816e32221aa14f671640d584b40726eaf3b532d2abc95d938 |
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font_01_sfnt_off00006a24.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A24 | 10148 bytes |
SHA-256: 7c660b970555fbfd6ee227f7cf704ee82e20b7e5c5c5ec98dd40fc9d538de9f0 |
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