MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of external links, many of which point to a redirector service. The primary malicious URL identified is https://ttraff.ru/wix?keyword=commonlit.+org+answers, which is flagged as a known malicious redirector. This suggests the document is part of a link farm or SEO manipulation scheme designed to drive traffic to malicious infrastructure.
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=commonlit.+org+answers
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/b13fd1_93a078850e1e4894a1e2f9de8c5effef.pdf
- https://static.usrfiles.com/ugd/b8c837_342b465ca8d741a7bccbb3cb0d096842.pdf
- https://static.usrfiles.com/ugd/b8c837_2834814971b8414ca577aa28b115deb1.pdf
- https://static.usrfiles.com/ugd/b8c837_078332b353264ecea8c877dd13db0412.pdf
- https://static.usrfiles.com/ugd/b8c837_c773afb0a1c040b3abcb07471c7f7c08.pdf
- https://static.usrfiles.com/ugd/b8c837_61b3d792c6924598b05474a1d9757e8c.pdf
- https://cdn.shopify.com/s/files/1/0433/7192/1571/files/devuzufatitozopo.pdf
- https://cdn.shopify.com/s/files/1/0432/2518/6466/files/14821662314.pdf
- https://cdn.shopify.com/s/files/1/0434/5213/7622/files/21251829971.pdf
- https://cdn.shopify.com/s/files/1/0430/6645/8266/files/21524171849.pdf
- https://static.usrfiles.com/ugd/2f8cea_d28ce34e9a3342a6a412a723325a24ee.pdf
- https://static.usrfiles.com/ugd/b8c837_6bde1bf4d48645b9821b20ead62ea58b.pdf
- https://static.usrfiles.com/ugd/b8c837_7aefd942af7945398a92b6381d1191bc.pdf
- https://static.usrfiles.com/ugd/067ecb_0d5f2579bec64ec39595378bc213e422.pdf
- https://static.usrfiles.com/ugd/90c678_57a879607a3846a983b35d1a9a017e85.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_off00009be7.binec7c3110f4cbd9efb7728b0b134179c505ce675ce63b66f28fdbb8daf653b47b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9BE7 | 5032 bytes |
font_01_sfnt_off0000acfb.bin1934130fc2c95c62b8549fd9d8630cef74c79e170f59777f94aff64bb594ce47 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xACFB | 9996 bytes |
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