MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with a critical heuristic identifying a link to known malicious redirector infrastructure at 'https://ttraff.com/wix?keyword=germ+theory+of+disease+worksheet'. The document body, though heavily obfuscated, contains references to a 'germ theory of disease worksheet', suggesting a lure to disguise the malicious intent. The ML classifier also strongly indicated maliciousness.
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.com/wix?keyword=germ+theory+of+disease+worksheet
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/1ee69b_1faf9795f09f4cd98ba5a20cfc05a031.pdf
- https://static.usrfiles.com/ugd/b8c837_c2ee0cc9306f4fedadae902f9e2f56ee.pdf
- https://static.usrfiles.com/ugd/b8c837_d16976069f194bbc8d388cb05b025464.pdf
- https://static.usrfiles.com/ugd/b8c837_c03b92a567b24e02867ff4b7cdb0cf4c.pdf
- https://static.usrfiles.com/ugd/5d2cf3_8e86daa38f2642ea8f0a4b4f1cda4cb0.pdf
- https://cdn.shopify.com/s/files/1/0429/8270/3257/files/wuxow.pdf
- https://cdn.shopify.com/s/files/1/0440/4061/8134/files/9860273940.pdf
- https://static.usrfiles.com/ugd/bf650e_a23cfd0858f449d7be2954ad0fd645a7.pdf
- https://static.usrfiles.com/ugd/79e5df_35738e97018c4b37866c209d0d28d5e4.pdf
- https://static.usrfiles.com/ugd/b52961_4df129c2627649f3bdf87697a928bc5d.pdf
- https://static.usrfiles.com/ugd/ee6770_b893cb0697e64b3fbf7fcdd0ee11987d.pdf
- https://cdn.shopify.com/s/files/1/0428/4468/4454/files/dogar_books_for_navy_guide.pdf
- https://cdn.shopify.com/s/files/1/0438/5452/8677/files/gakubegubadameluxiboxuzig.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005dff.binac4ac52bdc1fb059cc9cc8ebe7241b9aa953bb944c1b6fd767fba1ec8ffcf376 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5DFF | 5404 bytes |
font_01_sfnt_off00007052.binb49e6b93a031ef4ddb01045ad56dc03937355e0c8da9002677a352add6a4b90c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7052 | 9904 bytes |
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