MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains numerous links, with one critical heuristic identifying a link to a known malicious redirector. The document body, though heavily obfuscated, contains the URL that likely serves as the lure. The presence of a malicious redirector suggests an attempt to lead the user to a malicious site for further exploitation or credential harvesting.
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.cc/wix?keyword=vocabulary+for+high+school+students
- https://static.usrfiles.com/ugd/c83fdb_b5defcef20694844b4c157f4c3f38ff1.pdf
- https://static.usrfiles.com/ugd/19103d_23d655d9ac584b1db6f5cc9dd033a756.pdf
- https://static.usrfiles.com/ugd/a467d2_6fef3e8d5240493d94f6b88aa3b1a90d.pdf
- https://static.usrfiles.com/ugd/0d2908_7fe204d8a8e1430b8475d585085aaeb5.pdf
- https://cdn.shopify.com/s/files/1/0431/1721/5905/files/23761918561.pdf
- https://cdn.shopify.com/s/files/1/0431/8851/9074/files/padela.pdf
- https://cdn.shopify.com/s/files/1/0430/6409/8970/files/muktijuddher_boi_download.pdf
- https://cdn.shopify.com/s/files/1/0432/6303/3507/files/83454833500.pdf
- https://cdn.shopify.com/s/files/1/0429/8942/0695/files/6660299707.pdf
- https://cdn.shopify.com/s/files/1/0436/1653/4690/files/4892150769.pdf
- https://cdn.shopify.com/s/files/1/0429/6019/1651/files/punalirotavemidajelutarit.pdf
- https://cdn.shopify.com/s/files/1/0430/2818/5239/files/labirisefewekiwolixo.pdf
- https://cdn.shopify.com/s/files/1/0437/7929/3338/files/disawar_satta_gali_ki_report.pdf
- https://cdn.shopify.com/s/files/1/0435/9513/7187/files/liliv.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005df6.binc9107ca365a5452ed669f73b223dbeaf4fc34a7abded1782798b9c20648085fc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5DF6 | 5372 bytes |
font_01_sfnt_off0000702d.bin485f041acbdd801ee3dda07484c2d82fdfa8b4ede3167c53845f161bb453cc02 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x702D | 10240 bytes |
font_02_sfnt_off00009322.bind1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9322 | 4324 bytes |
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