MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to a link farm designed to redirect users to malicious infrastructure. The primary malicious URL identified is https://ttraff.ru/pify?keyword=multiplication+worksheets+with+answers+pdf, which is flagged as a known malicious redirector. The document body, though heavily obfuscated, also contains this URL, suggesting an attempt to disguise its malicious nature as educational 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.ru/pify?keyword=multiplication+worksheets+with+answers+pdf
- http://files.bandicootlodgecomedy.com/uploads/1/3/1/6/131607163/01d5f7769.pdf
- http://viwitibin.washingtonsfinesttea.com/uploads/1/3/2/7/132740328/3440629.pdf
- http://sugera.ameripodcast.com/uploads/1/3/2/6/132695535/bofamu.pdf
- http://files.wentworthfallsgardenclub.com/uploads/1/3/0/7/130738553/627d7.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/4545/3985/files/61665034262.pdf
- https://cdn.shopify.com/s/files/1/0429/6150/2374/files/52999327441.pdf
- https://cdn.shopify.com/s/files/1/0428/2823/4908/files/tinenefov.pdf
- https://cdn.shopify.com/s/files/1/0433/9941/3925/files/52372222575.pdf
- https://cdn.shopify.com/s/files/1/0432/0778/6651/files/83965970233.pdf
- https://cdn.shopify.com/s/files/1/0428/4992/7327/files/after_livro_5_baixar.pdf
- https://cdn.shopify.com/s/files/1/0431/4716/5850/files/98414564124.pdf
- https://cdn.shopify.com/s/files/1/0432/2312/2077/files/pirudusowe.pdf
- https://cdn.shopify.com/s/files/1/0439/2137/5387/files/mumbai_125_kilometer.pdf
- https://cdn.shopify.com/s/files/1/0434/2795/4853/files/zivajujodaratupo.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/17232613021.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_off00006762.bind16f777a5b0cea76ffc656fd8d45c647af5b802d99c55099135f52532dfc0b4d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6762 | 5404 bytes |
font_01_sfnt_off000079d2.binde0d85655de4745ce0ad77e5e23afa603d75554621418e37763c502239de174d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79D2 | 10348 bytes |
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