MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded URLs that lead to a known malicious redirector, disguised as a worksheet answer key. The ML classifier strongly indicated maliciousness, and the PDF structure itself contains a link farm, suggesting an attempt to drive traffic to malicious sites. No scripts were extracted, but the presence of malicious links is sufficient evidence of a phishing or redirection attempt.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
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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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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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.me/wix?keyword=chapter+8+sensation+and+perception+worksheet+answers
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://static.usrfiles.com/ugd/7198c1_cfe71e60577242dab27eff1f4bd43618.pdf
- https://static.usrfiles.com/ugd/b8c837_8b59880eacea4ceb8dfe518d17c0c076.pdf
- https://static.usrfiles.com/ugd/de60da_66f80b36c68d4aa0a7218b8a9e2223f0.pdf
- https://cdn.shopify.com/s/files/1/0434/1504/4252/files/59104150447.pdf
- https://cdn.shopify.com/s/files/1/0432/3780/2146/files/89285939219.pdf
- https://cdn.shopify.com/s/files/1/0430/6350/9143/files/ankle_joint_mobilization.pdf
- https://static.usrfiles.com/ugd/de3d83_1c0d9c2a98764d28940a18acba39ec0a.pdf
- https://static.usrfiles.com/ugd/55f640_e8a57aa69fa745f691b8601dbaee3f51.pdf
- https://static.usrfiles.com/ugd/99a8f2_fb211c034a7f4087bea4fb5ca5b81f5c.pdf
- https://static.usrfiles.com/ugd/8ff694_da9763eff56b4e179436bf13e4573af0.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/
- http://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005bec.bin27e43aec31740465036cbb5fb61eba34bbb71fd714f523285dd32b9a124e42bd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5BEC | 5292 bytes |
font_01_sfnt_off00006df1.binfdbf0dca9e88840ba12ffe8e15dcda8fda54fe3a943219ee879af77f98b9d6a4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DF1 | 10144 bytes |
font_02_sfnt_off00009089.bincd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9089 | 4324 bytes |
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