MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, with one identified as a malicious redirector. The document body, though partially garbled, suggests a lure related to audio scripts, likely to trick users into clicking the malicious link. The presence of a large number of external PDF links, many of which are benign, suggests a link farm or SEO poisoning tactic to distribute the malicious redirector.
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.ru/wix?keyword=basic+tactics+for+listening+audio+script+pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/40512e_53a1565cec7c4f0084f0238ef436e426.pdf
- https://static.usrfiles.com/ugd/eaf48f_5c2e01e90aa74a6584eca453d398ba12.pdf
- https://static.usrfiles.com/ugd/7ff653_51fcb5a53613498098ebae73c74cda50.pdf
- https://static.usrfiles.com/ugd/b8c837_15f326ea0ada4b75873805b2b7f733ef.pdf
- https://static.usrfiles.com/ugd/8cbfce_94fce2f9d190423db363e0d41c6b0f2e.pdf
- https://static.usrfiles.com/ugd/2e16aa_35c10374684d4b40926faad420f5a723.pdf
- https://static.usrfiles.com/ugd/e4a001_35090f44ec094a3db158cf1a0a0a7a41.pdf
- https://static.usrfiles.com/ugd/c068f8_1b400c54d4d74a44ba99da8722ece076.pdf
- https://static.usrfiles.com/ugd/b8c837_c158ba2cfbc04189b35daf60ae48f1cc.pdf
- https://static.usrfiles.com/ugd/b8c837_4e7b5ca34de4477683cca469eae79e17.pdf
- https://cdn.shopify.com/s/files/1/0429/2981/5705/files/canonical_ensemble_derivation.pdf
- https://cdn.shopify.com/s/files/1/0436/8020/2905/files/morevotem.pdf
- https://cdn.shopify.com/s/files/1/0434/7022/5574/files/lozulo.pdf
- https://cdn.shopify.com/s/files/1/0430/7917/2257/files/757_333_3411.pdf
- https://cdn.shopify.com/s/files/1/0440/2325/1094/files/160_km_h.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_off00009662.bind419f282ced72923589502753f9503c6817119000576143b6510bfd895ab620f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9662 | 5372 bytes |
font_01_sfnt_off0000a8a6.bin2733218e2b94df312453f93b78f2f093ebc93c37043faf45cfd79bc30361324f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA8A6 | 13504 bytes |
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