MALICIOUS
128
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a heuristic firing for a malicious redirector link, which is also present in the document body. The document also exhibits characteristics of a fake invoice or payment lure, further suggesting a phishing attempt. The embedded link `https://ttraff.cc/pify?keyword=big+ideas+math+geometry+common+core+teacher+edition+2020+pdf` is the primary indicator of malicious intent, likely leading to a further stage of attack.
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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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=big+ideas+math+geometry+common+core+teacher+edition+2020+pdf
- http://tarum.1932auburnsedan.com/uploads/1/3/0/7/130775162/403169.pdf
- http://files.salightgroup.com/uploads/1/3/1/4/131406348/varopiwefefilil.pdf
- http://files.reikibyleslie.com/uploads/1/3/1/0/131070407/5751447.pdf
- https://cdn.shopify.com/s/files/1/0428/1414/4675/files/a_user_s_guide_to_the_brain_free.pdf
- https://cdn.shopify.com/s/files/1/0429/6930/1151/files/14470764349.pdf
- https://cdn.shopify.com/s/files/1/0428/5507/1900/files/sleeping_lotus_piano_sheet_music.pdf
- https://cdn.shopify.com/s/files/1/0431/9592/4640/files/76302772330.pdf
- https://cdn.shopify.com/s/files/1/0431/1593/7948/files/tomorrow_we_live_kb.pdf
- https://cdn.shopify.com/s/files/1/0440/5297/1685/files/basic_accounting_concepts_in_tamil.pdf
- https://cdn.shopify.com/s/files/1/0434/1573/2376/files/92034507002.pdf
- https://cdn.shopify.com/s/files/1/0435/5158/8507/files/dota_2_turbo.pdf
- https://cdn.shopify.com/s/files/1/0432/6916/1110/files/serologia_definicion.pdf
- https://cdn.shopify.com/s/files/1/0433/2378/5370/files/free_wii_points_without_survey.pdf
- https://cdn.shopify.com/s/files/1/0435/2406/3392/files/mathematics_for_economics_and_finance_anthony_biggs.pdf
- https://cdn.shopify.com/s/files/1/0437/4944/1688/files/sunegivezu.pdf
- https://cdn.shopify.com/s/files/1/0433/9151/6826/files/sosaradavekis.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_off0000b66c.bin5a26d02a1e778f31cf88fd3547d52606f21f3e083fa77e084391d0d2f149a6f7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB66C | 5960 bytes |
font_01_sfnt_off0000caa2.bina434c78995b40bf2d3b309942b9adc5ef13e0f618b0120630c6240cd832ae72f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAA2 | 11988 bytes |
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