MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to external PDF files hosted on Shopify. One of the primary links, disguised as educational material, redirects to a known malicious URL (ttraff.cc). This suggests a link farm or redirection scheme designed to lead users to malicious 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.cc/pify?keyword=mathematics+worksheets+for+grade+4+pdf
- http://files.ambigramgreetings.com/uploads/1/3/2/3/132303163/kavefemoxenevebavo.pdf
- http://files.ingeermusic.com/uploads/1/3/1/6/131636642/ee470ccca6e1.pdf
- http://files.sinkorswimapparel.com/uploads/1/3/1/3/131380466/d018a8.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/0416/5276/files/autocad_turn_off_frame.pdf
- https://cdn.shopify.com/s/files/1/0450/4974/1464/files/analytical_skills_training.pdf
- https://cdn.shopify.com/s/files/1/0434/2143/4023/files/human_anatomy_marieb_free.pdf
- https://cdn.shopify.com/s/files/1/0428/8774/1607/files/85596411261.pdf
- https://cdn.shopify.com/s/files/1/0430/2667/7913/files/sebosavimutevekiwiresa.pdf
- https://cdn.shopify.com/s/files/1/0434/6186/9733/files/zulixapulomemekaxuz.pdf
- https://cdn.shopify.com/s/files/1/0430/6396/7906/files/kafebefifofejopiwumarip.pdf
- https://cdn.shopify.com/s/files/1/0434/4109/4817/files/xewivitabidiloseratulepub.pdf
- https://cdn.shopify.com/s/files/1/0434/3519/6582/files/32168901782.pdf
- https://cdn.shopify.com/s/files/1/0437/1188/9573/files/thinking_in_java_3rd_edition_free_download.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_off000057a6.binb910b3351909e81c4342cab8f777dc8d7236e724d964aa2018c9656b9ae20b02 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x57A6 | 5784 bytes |
font_01_sfnt_off00006b56.bin7cba4153364c013897df04092912f0640e8b05feed9f3803f87e5f215a3f0d53 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B56 | 10380 bytes |
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