MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many pointing to benign Shopify URLs, but one critical link directs to a known malicious redirector. This suggests a link farm or SEO poisoning tactic to distribute malicious content. The document body, though heavily corrupted, contains the malicious URL, indicating an attempt to lure users to a malicious site.
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.cc/wb?keyword=cultural%20diversity%20in%20the%20classroom%20pdf
- http://files.uscitizenshipprepcourse.com/uploads/1/3/1/3/131380341/7202533.pdf
- http://nemaraba.sanmarcoscamp.com/uploads/1/3/0/7/130775045/1641592.pdf
- http://ribiri.flowjem.com/uploads/1/3/1/1/131164250/fawagomofekirupemab.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/4246/4166/files/wasesawil.pdf
- https://cdn.shopify.com/s/files/1/0433/5131/0488/files/tell_me_about_yourself_answer_in_english.pdf
- https://cdn.shopify.com/s/files/1/0440/1581/2766/files/93036808747.pdf
- https://cdn.shopify.com/s/files/1/0435/9123/7794/files/1168757797.pdf
- https://cdn.shopify.com/s/files/1/0433/4383/9385/files/abstract_algebra_books_free_download.pdf
- https://cdn.shopify.com/s/files/1/0433/5144/1560/files/momudimax.pdf
- https://cdn.shopify.com/s/files/1/0428/8118/8003/files/favirujotore.pdf
- https://cdn.shopify.com/s/files/1/0438/2598/7734/files/ansiedad_social_libro.pdf
- https://cdn.shopify.com/s/files/1/0434/5652/8541/files/zokafixafovi.pdf
- https://cdn.shopify.com/s/files/1/0428/3337/9487/files/74881824856.pdf
- https://cdn.shopify.com/s/files/1/0428/7430/6727/files/jivomibesinotisovoroz.pdf
- https://cdn.shopify.com/s/files/1/0435/5801/1035/files/79667870803.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_off00005cd3.bin27ae564143c7ca2b6da95e76df62d00c97e9d3ac6c2c2c9bae30cb05ec61956f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5CD3 | 5460 bytes |
font_01_sfnt_off00006f46.bind0073680270871cacf8c93a0c8a3b71cf05781b702edd8a13ba1682bb9b8738a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F46 | 10544 bytes |
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