MALICIOUS
128
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a deceptive lure, presenting itself as a 'study guide a holt mcdougal biology answer key' to trick users into clicking a link. This link, 'https://ttraff.cc/wix?keyword=study+guide+a+holt+mcdougal+biology+answer+key', redirects to malicious infrastructure. The presence of a large number of external PDF links, many pointing to benign content but originating from a link farm, further supports a malicious intent to obscure the primary malicious redirector.
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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/wix?keyword=study+guide+a+holt+mcdougal+biology+answer+key
- https://static.usrfiles.com/ugd/dc8a8e_3171108bd2524cb980b7c2cdad51d1b6.pdf
- https://static.usrfiles.com/ugd/b8c837_73a4b963136145b3a6926b0b26b4ce24.pdf
- https://static.usrfiles.com/ugd/b8c837_2b3f7c400671443ea9040182982921a8.pdf
- https://static.usrfiles.com/ugd/b8c837_6cd13bc5671c41d9bfb1df8e0549c6cc.pdf
- https://cdn.shopify.com/s/files/1/0440/0345/9230/files/70869134174.pdf
- https://cdn.shopify.com/s/files/1/0428/3380/5471/files/rixuvuzulosawejo.pdf
- https://cdn.shopify.com/s/files/1/0434/6596/5718/files/gorinabubi.pdf
- https://cdn.shopify.com/s/files/1/0434/4456/8216/files/reliability_centred_maintenance_john.pdf
- https://cdn.shopify.com/s/files/1/0459/5403/9967/files/wufik.pdf
- https://cdn.shopify.com/s/files/1/0432/7905/7056/files/canto_ostinato_sheet_music.pdf
- https://cdn.shopify.com/s/files/1/0432/1817/4120/files/anlagenbuchhaltung_mit_sap.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pujofupokutesigitugut.pdf
- https://cdn.shopify.com/s/files/1/0437/2765/0970/files/72733270467.pdf
- https://cdn.shopify.com/s/files/1/0433/4305/2953/files/xifunexufizapo.pdf
- https://cdn.shopify.com/s/files/1/0435/7586/9599/files/33950595179.pdf
- https://cdn.shopify.com/s/files/1/0437/6972/5085/files/ifunbox_ios_9._0._2.pdf
- https://cdn.shopify.com/s/files/1/0448/9166/8647/files/noxowanujowipidukufa.pdf
- https://cdn.shopify.com/s/files/1/0434/3798/1852/files/wogosumikawew.pdf
- https://cdn.shopify.com/s/files/1/0427/5847/1846/files/sopezu.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_off00007343.bin2e720dfcf882dc99ca001e350e42a6294f62dab87a5bd198de7c758927e9eb76 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7343 | 5852 bytes |
font_01_sfnt_off00008718.bin318a79001fe3b3973e833a9f4a086200794a410bb1cc0d660ffdc48b9e092894 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8718 | 10516 bytes |
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