MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link to a known malicious redirector, which is designed to lead users to further malicious content. The document body and embedded links suggest a lure to a "gcse biology quiz pdf" to disguise the malicious intent. The ML classifier strongly indicates maliciousness, and the PDF structure includes a link farm, indicating a likely attempt to distribute malware or phish for information.
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.me/wix?keyword=gcse+biology+quiz+pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/24853a_263cf6fc08674bc598f2b9b2c27fd7ad.pdf
- https://static.usrfiles.com/ugd/7c30af_39e11fc033ae4910bf15ec3711829897.pdf
- https://static.usrfiles.com/ugd/0d2fda_dbf1eccc0ef84b429f6bc1c482ede9d6.pdf
- https://static.usrfiles.com/ugd/cec570_2264d09bbed7419199f149fd255dd695.pdf
- https://cdn.shopify.com/s/files/1/0434/9257/3334/files/7172896311.pdf
- https://cdn.shopify.com/s/files/1/0437/5078/5173/files/extensible_business_reporting_language_ppt.pdf
- https://cdn.shopify.com/s/files/1/0428/2938/1791/files/hello_book_of_mormon_sheet_music.pdf
- https://cdn.shopify.com/s/files/1/0437/0857/9993/files/lufaxudufemufomumidu.pdf
- https://cdn.shopify.com/s/files/1/0430/0609/9605/files/nivaxojev.pdf
- https://cdn.shopify.com/s/files/1/0459/9719/5421/files/behaviour_therapy_for_adhd_child.pdf
- https://cdn.shopify.com/s/files/1/0434/5308/7911/files/chuyn_i_file_sang_file_jpg.pdf
- https://static.usrfiles.com/ugd/d55797_e993ca99c09545629b123ff7845c6715.pdf
- https://static.usrfiles.com/ugd/b8c837_bc382d467c754a869cd3d621bcb08ec2.pdf
- https://static.usrfiles.com/ugd/b8c837_2bfbce9e99b9418aa57e31d4dbabc5c6.pdf
- https://static.usrfiles.com/ugd/04c368_3e4f995504584bcf8f3f9fb8f8ca4222.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_off000059f5.bin83498dc8d00ef5de7f9c65f2768e1b7ecd613b8804da8650bb68e1131f666eca |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x59F5 | 5464 bytes |
font_01_sfnt_off00006cab.bin097f0caa8275d9fd0fd364f15796ff02e791a49b0e95259a978ba9bfe1a1dac5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CAB | 10676 bytes |
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