MALICIOUS
120
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a critical heuristic firing for a malicious redirector link, specifically pointing to a URL that appears to be a lure for 'chapter 13 chemistry answers'. This URL, along with numerous other PDF links embedded within the document, suggests a link farm or redirection scheme. The document body, though heavily obfuscated, contains the same suspicious URL and text, reinforcing the lure. The primary intent appears to be redirecting users to malicious infrastructure under the guise of providing educational material.
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.link/wix?keyword=chapter+13+chemistry+answers
- http://files.chairssite.com/uploads/1/3/1/4/131406849/debawomuwi_xireruxuv_zalidadisuzex.pdf
- http://files.offthegrid24.com/uploads/1/3/0/7/130739718/fefapi.pdf
- http://files.beautifuldefect.com/uploads/1/3/1/1/131163872/ruvuradopadol-pedamaxud.pdf
- http://jegoj.humanitiesladder.org/uploads/1/3/1/6/131606197/06d04885.pdf
- http://perir.virtualracesusa.com/uploads/1/3/0/8/130814328/gizureburibogat-pugigazarako-diwokov-detawomarezo.pdf
- https://e0e900c1-bc2c-4389-8026-c416c660bad3.filesusr.com/ugd/a2d007_e0d01654ef6d4b719fb4e4e325d7762c.pdf?index=true
- https://d58e746e-8bf2-4348-9b29-8006837f3a6a.filesusr.com/ugd/0182ef_6c6f8465d7d447bfa7f5f6c8b92b2d0e.pdf?index=true
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kupenase.pdf
- https://cdn.shopify.com/s/files/1/0428/8924/8924/files/assetto_corsa_drift_setup_guide.pdf
- https://cdn.shopify.com/s/files/1/0438/5662/5829/files/zolumafenamiwegit.pdf
- https://cdn.shopify.com/s/files/1/0433/1310/2998/files/52933450580.pdf
- https://a9f07397-fe83-4b8c-9ec7-79bfdc60583b.filesusr.com/ugd/4479ed_e00c17287054485da316a2ceab533dec.pdf?index=true
- https://b36891e6-69a7-4841-a3c3-13088212e1af.filesusr.com/ugd/9ec29b_f6bbe0261ed445c0a291a8973b316c9a.pdf?index=true
- https://86f86c7b-8de2-4d5a-8da0-1ed6d2832a32.filesusr.com/ugd/cc089a_3ffc165d590f4ca99c951a2809777fd6.pdf?index=true
- https://535fa157-4dd5-498a-967a-4c5de41300b4.filesusr.com/ugd/112488_ca7b1992b8594ec9bb0043bc53240265.pdf?index=true
- 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_off00007b1a.bin1e35f7ba74fc185e23a61414d2b0a4e93a5b0b8188039e15cae26810ef12df8c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B1A | 5456 bytes |
font_01_sfnt_off00008d96.bin1b4cb605b827400eb5b53ad5f99f674cdaa90e5d308aeabd7369c9d0865944b9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8D96 | 10516 bytes |
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