MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded URLs, with one pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text that appears to be a lure for a 'formato fia preescolar'. The presence of numerous external links, many pointing to Shopify, suggests a link farm or SEO manipulation tactic to distribute malicious content. No scripts were extracted, but the overall structure and URL reputation indicate a phishing or malware distribution 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=formato+fia+preescolar
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/2936/4889/files/cover_letter_format_for_job_application_for_freshers.pdf
- https://cdn.shopify.com/s/files/1/0431/0843/4081/files/wigut.pdf
- https://cdn.shopify.com/s/files/1/0438/0616/3105/files/apa_citation_guidelines_website.pdf
- https://cdn.shopify.com/s/files/1/0431/8678/2369/files/31753107344.pdf
- https://cdn.shopify.com/s/files/1/0430/6485/2634/files/yuddha_kanda_ramayana.pdf
- https://cdn.shopify.com/s/files/1/0429/6150/2362/files/u_android_box_tt_nht.pdf
- https://cdn.shopify.com/s/files/1/0432/0428/0481/files/selefaxegulisopidusofon.pdf
- https://static.usrfiles.com/ugd/b8c837_ded4b12a534341b485afa6b27f0dfea6.pdf
- https://static.usrfiles.com/ugd/b8c837_05d5040985d642f49455785083da860d.pdf
- https://static.usrfiles.com/ugd/b8c837_c9e49ccab4d2473b92c51524267b7cea.pdf
- https://static.usrfiles.com/ugd/b8c837_2b67de8ac186408984b0f9405165d63d.pdf
- https://static.usrfiles.com/ugd/b8c837_3f3fbc9f2fba4818ba50ef98047c3bf5.pdf
- https://static.usrfiles.com/ugd/b8c837_58ab13cd913f46148ffee3d58e94a141.pdf
- https://static.usrfiles.com/ugd/b8c837_da91eb6cea424e249b9b5cf871653045.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_off0000498d.bin6bbd6734bd76b7ea4170391cc38d5056fd2e8a2182f4a28dc058e604f0833df9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x498D | 5116 bytes |
font_01_sfnt_off00005adf.bin532f7c4340800fdd1e6f68b67e7454dd34279e26c32ae33ad671b92b0d635387 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5ADF | 11480 bytes |
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