MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link that redirects to malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains a reference to 'word association worksheets free' and the malicious URL, suggesting a lure. The PDF also hosts a large number of external links, characteristic of a link farm, potentially for SEO manipulation or distributing further 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.ru/pify?keyword=word+association+worksheets+free
- http://wixixomom.palspray.com/uploads/1/3/1/4/131438428/vedevukajotubokow.pdf
- http://xedekipe.shopksemporium.com/uploads/1/3/1/3/131384281/natetofuzuxiwokug.pdf
- http://files.cosmicscramble.com/uploads/1/3/0/7/130775102/5820384.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/1514/2551/files/32300904848.pdf
- https://cdn.shopify.com/s/files/1/0433/4786/9850/files/52815779263.pdf
- https://cdn.shopify.com/s/files/1/0429/2080/4518/files/74833292640.pdf
- https://cdn.shopify.com/s/files/1/0431/1806/7866/files/defuxotugezakiwewupa.pdf
- https://cdn.shopify.com/s/files/1/0430/4211/1650/files/56423005466.pdf
- https://cdn.shopify.com/s/files/1/0430/5905/2706/files/fusion_360_on_linux.pdf
- https://cdn.shopify.com/s/files/1/0434/4751/7341/files/master_chief_armor_template.pdf
- https://cdn.shopify.com/s/files/1/0431/2878/3002/files/24664728424.pdf
- https://cdn.shopify.com/s/files/1/0437/5746/9845/files/qld_transport_driving_test_appointment_sheet.pdf
- https://cdn.shopify.com/s/files/1/0437/0300/9430/files/fejeru.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_off00005eb8.bin3727f9fbe24456d3f0e4330b7199f791777aff5a674f91eb75ed7f211cc5773a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5EB8 | 5244 bytes |
font_01_sfnt_off000070a8.bin511ef5ab940b7cc2c96d2d379d604f011b7a95e073ae1fae631365460e44c6fd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70A8 | 10416 bytes |
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