MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, including one pointing to a known malicious redirector. The document body, though heavily obfuscated, appears to contain the same URL and references a 'worksheet pdf', suggesting a lure to trick users into clicking the malicious link. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
-
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.
-
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.
-
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.
-
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=4+types+of+sentences+worksheet+pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/b8c837_e5d6b7df37384fc9a880e88f05fb19f3.pdf
- https://static.usrfiles.com/ugd/b8c837_fd6c8e0a3cb7448b9d2ccae6fdfe30c9.pdf
- https://static.usrfiles.com/ugd/b8c837_033e081932ba49dc855b942949ec303f.pdf
- https://static.usrfiles.com/ugd/3fc21f_44b0163bb4ca44b190d2811ee2ca1995.pdf
- https://static.usrfiles.com/ugd/4cf28d_5621734c302543458a3b6a09e2424d94.pdf
- https://static.usrfiles.com/ugd/ae059d_b4dd84cf1cf441f19eb6db97c31e514c.pdf
- https://static.usrfiles.com/ugd/eed56f_05e4132b5c6f4146a2f2761f79d39423.pdf
- https://static.usrfiles.com/ugd/b8c837_e29708be502f42099aadc15b0e736f8b.pdf
- https://static.usrfiles.com/ugd/1be480_6f41766ceb304d54bc6b22104c9898ae.pdf
- https://static.usrfiles.com/ugd/909b15_e3181eeb73b34b99b8a3d7ac0f12cb8a.pdf
- https://static.usrfiles.com/ugd/80c1db_b0b655a6ba034041be0a7ed38748c8e3.pdf
- https://static.usrfiles.com/ugd/4bdc6d_73f19bfa2b4f43e1b7db672923e0d655.pdf
- https://static.usrfiles.com/ugd/b8c837_65935f0f44a7452cbeb395df8629532b.pdf
- https://static.usrfiles.com/ugd/2f7815_19283ae42d0b44bf99da8f9a09ed2e9b.pdf
- https://static.usrfiles.com/ugd/30e015_4254580b9b9b4ae4a1abc76756034a8d.pdf
- https://static.usrfiles.com/ugd/1849a1_c7efe2330c034b68a22c2e8f95491350.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_off00006df8.binbb583c6191aceff4b99be4f77eeb42faad0cc419c72f65e26f0b69782cbe19a6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DF8 | 5252 bytes |
font_01_sfnt_off00007ff5.bin5f31191750f55be6ce5ac81950bec4e4462860c2aa6dc528ffe03bd85f4ed746 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7FF5 | 10428 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.