MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to Shopify domains hosting other PDFs, but one critical link directs to a known malicious redirector infrastructure. This suggests the document is part of a link farm designed to lure users to malicious sites. 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=e2esoft+vsc+full+version
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/4311/0555/files/printing_business_company_profile.pdf
- https://cdn.shopify.com/s/files/1/0432/1532/3291/files/80729186708.pdf
- https://cdn.shopify.com/s/files/1/0436/1319/2349/files/22317400087.pdf
- https://cdn.shopify.com/s/files/1/0430/2195/9325/files/ocr_scanned_to_word_online_free.pdf
- https://cdn.shopify.com/s/files/1/0429/4174/3263/files/migigizisaromudajogugosam.pdf
- https://cdn.shopify.com/s/files/1/0432/4101/3412/files/90394873262.pdf
- https://cdn.shopify.com/s/files/1/0428/5900/4070/files/aprendizajes_clave_escuelas_primarias_multigrado_2020.pdf
- https://static.usrfiles.com/ugd/217d68_1e002c8dc2e1427e90ca465986f82529.pdf
- https://static.usrfiles.com/ugd/5ed537_0edf5d5c632047a7904cbaf6b8989c5f.pdf
- https://static.usrfiles.com/ugd/b8c837_07ae4d5ac7b649f79233036d94ac269c.pdf
- https://cdn.shopify.com/s/files/1/0463/1835/4594/files/math_calculator_techniques.pdf
- https://cdn.shopify.com/s/files/1/0432/4989/3531/files/zebelilin.pdf
- https://cdn.shopify.com/s/files/1/0428/8711/9007/files/estrategias_para_mejorar_el_aprendizaje_del_ingles_en_nios.pdf
- https://cdn.shopify.com/s/files/1/0437/6186/0757/files/free_video_maker_for_android_mobile.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_off00007e22.bin08b6dbf20e638db1c2ed3236b100fe058d8d003c7035d223fef6b52e5a7f87d5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E22 | 4812 bytes |
font_01_sfnt_off00008e9c.binc40cb3ce08f6ff73901a934adbc220c5ea19dce7acbf5fb6c092f8721dd7fe27 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8E9C | 10952 bytes |
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