MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, including one pointing to a known malicious redirector at 'ttraff.com'. The document body, though heavily obfuscated, contains text related to 'english test papers for grade 4 pdf', suggesting a lure to attract users. The presence of many external PDF links, some benign and some unknown, indicates a link farm strategy. No scripts were extracted, but the PDF structure itself facilitates the redirection.
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.com/pify?keyword=english+test+papers+for+grade+4+pdf
- http://files.mccormickcounseling.com/uploads/1/3/1/3/131398091/jogozajolovefubezuk.pdf
- http://files.newyorkstategrandcouncil.com/uploads/1/3/2/6/132695576/fofaw.pdf
- http://files.bestlipoboise.com/uploads/1/3/1/4/131453598/dd1cd71.pdf
- http://files.dabsondemand.com/uploads/1/3/0/7/130775126/3030000.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/0115/1651/files/gawenoguso.pdf
- https://cdn.shopify.com/s/files/1/0427/4244/8295/files/wudirolujotamilafesono.pdf
- https://cdn.shopify.com/s/files/1/0431/4297/1553/files/98137350793.pdf
- https://cdn.shopify.com/s/files/1/0428/8544/7833/files/77002609425.pdf
- https://cdn.shopify.com/s/files/1/0429/8817/5519/files/22427199115.pdf
- https://cdn.shopify.com/s/files/1/0431/0574/7095/files/error_code_0xc0000098.pdf
- https://cdn.shopify.com/s/files/1/0434/7016/0032/files/39375968198.pdf
- https://cdn.shopify.com/s/files/1/0428/8331/7926/files/anonymize_comments_in.pdf
- https://cdn.shopify.com/s/files/1/0430/1121/1425/files/95227013651.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_off00004ab4.bin40661026c0f575f18f5e629a488418446cd25b3bda6585493ac8de632d4c15bd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4AB4 | 5348 bytes |
font_01_sfnt_off00005ce5.bin6051ff0896d411a349d60c738325e37b8f5432fe8e4ee88b339bad2b8a78d1ca |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5CE5 | 9944 bytes |
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