MALICIOUS
160
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF file contains a lure for "Byju app apk" and embeds a large number of external links, many of which point to a redirector. One critical heuristic indicates the PDF links to known malicious redirector infrastructure, specifically `https://ttraff.cc/pify?keyword=byju+app++apk`. Another heuristic identifies this as an advance-fee scam lure, suggesting the intent is to trick users into clicking malicious links under the guise of a prize or delivery. No scripts were extracted from this sample.
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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Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LUREDocument contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
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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=byju+app++apk
- http://weluji.michaljphotography.com/uploads/1/3/0/7/130775173/4070900.pdf
- http://kotija.acct301.ehabacademy.com/uploads/1/3/0/8/130813714/bupolo.pdf
- http://files.globalreg.info/uploads/1/3/0/8/130874110/1a5b226958dc.pdf
- http://files.cloverdalepreschool.com/uploads/1/3/1/8/131857580/345f1d.pdf
- https://cdn.shopify.com/s/files/1/0434/6734/1981/files/fusionner_2_documents_en_un_seul.pdf
- https://cdn.shopify.com/s/files/1/0438/1186/4738/files/55522670142.pdf
- https://cdn.shopify.com/s/files/1/0435/2190/0696/files/tecnicas_de_busqueda_de_informacion.pdf
- https://cdn.shopify.com/s/files/1/0462/2680/0791/files/getuvezevajoposutujut.pdf
- https://cdn.shopify.com/s/files/1/0431/1705/2066/files/rijijanomaminogomizuravat.pdf
- https://cdn.shopify.com/s/files/1/0440/1594/3845/files/characteristics_of_enterobacteriaceae.pdf
- https://cdn.shopify.com/s/files/1/0433/9164/7894/files/27390780880.pdf
- https://cdn.shopify.com/s/files/1/0437/0743/3125/files/talutefupaw.pdf
- https://cdn.shopify.com/s/files/1/0432/8760/9497/files/tapisivugoj.pdf
- https://cdn.shopify.com/s/files/1/0432/9390/0958/files/46686767726.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_off00006bea.bin299857f837d56f9af8208ef81457e04d85bb9feaad2d20f4d4dff60ffd5d5b92 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6BEA | 4796 bytes |
font_01_sfnt_off00007c67.binc062c3ef727857a19413934f5b11a42d47392dec710b82fb0a6d6e2d7ea1c736 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C67 | 10496 bytes |
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