MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains embedded links, one of which, 'https://ttraff.ru/wix?keyword=ectopic+pregnancy+acog+guidelines', is flagged as malicious redirector infrastructure. The document also features a large number of external PDF links, many pointing to Shopify, suggesting a link farm or SEO manipulation tactic. The ML classifier strongly indicates maliciousness, and the overall structure points to a phishing or redirection attempt.
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=ectopic+pregnancy+acog+guidelines
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/1396/3939/files/27206181381.pdf
- https://cdn.shopify.com/s/files/1/0431/7986/8309/files/clair_de_lune_sheet_music_for_guitar.pdf
- https://cdn.shopify.com/s/files/1/0428/2348/3548/files/background_opacity_css.pdf
- https://cdn.shopify.com/s/files/1/0432/3013/4427/files/71995507665.pdf
- https://cdn.shopify.com/s/files/1/0432/2865/9870/files/21466590214.pdf
- https://static.usrfiles.com/ugd/b8c837_99ad1b897190417794d4720556388221.pdf
- https://static.usrfiles.com/ugd/c3548c_dde6410fd0ad4a96b9eeb1c2a82f2195.pdf
- https://static.usrfiles.com/ugd/1cc7e8_9320673d6cbe44f3a0db2ded452582ef.pdf
- https://static.usrfiles.com/ugd/d9d1f5_e515e8b7b3e64dddb59729ac0db15637.pdf
- https://static.usrfiles.com/ugd/3dd68e_07e6cf86998941c4b10dfdae1d4fc497.pdf
- https://cdn.shopify.com/s/files/1/0428/3318/2886/files/jerusalem_bible_online.pdf
- https://cdn.shopify.com/s/files/1/0433/8784/6806/files/numafaniri.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_off0000a13e.bina99d43b3ad1b947c608881100072ad497a06fcea208fea2e33af4303b1de1f2c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA13E | 5300 bytes |
font_01_sfnt_off0000b360.bindae585f90d7da01472d152d9506eb3bb66564a4cd9e47725ed2f44e6146179f5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB360 | 12588 bytes |
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