MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a high density of external links, many pointing to what appears to be a link farm designed for SEO manipulation. One prominent link, 'https://ttraff.cc/pify?keyword=oxford+bookworms+library+stage+1+the+wizard+of+oz+pdf', is flagged as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'Oxford bookworms library' and the 'wizard of oz', suggesting a lure to disguise the malicious intent. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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=oxford+bookworms+library+stage+1+the+wizard+of+oz+pdf
- http://files.hollyboyter.com/uploads/1/3/2/6/132695741/33fbe27b7e057.pdf
- http://files.studio11sfe.com/uploads/1/3/2/3/132303068/rerosiz.pdf
- http://files.positivelypolyanna.net/uploads/1/3/0/9/130969390/vinopojonapolup-pefamepi.pdf
- http://files.davidrjohnsantiques.com/uploads/1/3/0/8/130814192/3831470.pdf
- https://cdn.shopify.com/s/files/1/0427/8134/3900/files/python_str_object_is_not_callable.pdf
- https://cdn.shopify.com/s/files/1/0432/0896/6301/files/pobefimowelebonisiluv.pdf
- https://cdn.shopify.com/s/files/1/0449/7837/2766/files/american_date_format.pdf
- https://cdn.shopify.com/s/files/1/0433/6818/6024/files/pdf_antenna_construction.pdf
- https://cdn.shopify.com/s/files/1/0446/6740/4451/files/tinuwijepujamosivibizetu.pdf
- https://cdn.shopify.com/s/files/1/0434/0659/0104/files/laxivabotanatelubagu.pdf
- https://cdn.shopify.com/s/files/1/0428/8305/5782/files/fenewa.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/libidurekatomanazavevufi.pdf
- https://cdn.shopify.com/s/files/1/0434/6393/4109/files/97488128402.pdf
- https://cdn.shopify.com/s/files/1/0437/6697/2577/files/fundamentals_of_organic_chemistry_mcmurry.pdf
- https://cdn.shopify.com/s/files/1/0447/8651/6134/files/research_ontology.pdf
- https://cdn.shopify.com/s/files/1/0440/7368/1061/files/88260664866.pdf
- https://cdn.shopify.com/s/files/1/0429/9702/2871/files/86937272137.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004874.binc3cd70b0edd525e4f013d050e55d90ea045466878ed5e057e443d470c07481f8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4874 | 6048 bytes |
font_01_sfnt_off00005d0d.bin4396fa49ea4a1f8a95ba1a28be9c78faa0802ef66604578756f16de3a95c5a95 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D0D | 10120 bytes |
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