MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains a large number of embedded links, many of which point to external PDF files, suggesting a link farm for SEO manipulation. One of the primary links, https://ttraff.ru/pify?keyword=learn+french+for+beginners+pdf, is identified as a malicious redirector. The document body, though heavily obfuscated, also contains this URL, indicating an attempt to lure users to malicious infrastructure under the guise of educational content.
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/pify?keyword=learn+french+for+beginners+pdf
- http://files.francais.brainintegration.net/uploads/1/3/1/4/131453494/kotuxigadumi.pdf
- http://files.coastalkayakcharters.com/uploads/1/3/1/4/131453022/e150e.pdf
- http://files.ccsb.danafarberdev.org/uploads/1/3/2/8/132814241/5251526.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/2562/9347/files/23829238667.pdf
- https://cdn.shopify.com/s/files/1/0428/1332/5471/files/78175542849.pdf
- https://cdn.shopify.com/s/files/1/0438/2418/5506/files/kebibuwinalovozerori.pdf
- https://cdn.shopify.com/s/files/1/0430/5489/1161/files/i_cherish_you.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vofelowuloluvazoriwonub.pdf
- https://cdn.shopify.com/s/files/1/0431/5630/8123/files/95380825274.pdf
- https://cdn.shopify.com/s/files/1/0434/1281/6039/files/xobugupazuvenebituzava.pdf
- https://cdn.shopify.com/s/files/1/0430/5544/8213/files/carcinogenic_substances.pdf
- https://cdn.shopify.com/s/files/1/0432/0998/2107/files/jobixewitaxavolibokik.pdf
- https://cdn.shopify.com/s/files/1/0432/6971/8182/files/jumezukiberi.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_off00006acf.bin0fbdce40d22f2c4f77216e64e035fdabebe38f29d1a789a120e840d528769349 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6ACF | 5468 bytes |
font_01_sfnt_off00007d5f.bin9a7e7a232a3c280f66c71bb8e55597655963e3e3585a590cbaa9a3604d3638bf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D5F | 10020 bytes |
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