MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file contains a large number of embedded links, many of which point to redirectors or potentially malicious domains. The document body, though heavily obfuscated, contains a URL that is also present in the heuristics, indicating a deliberate attempt to direct users to external, potentially harmful content. The ML classifier strongly suggests malicious intent.
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.link/wix?keyword=calculating+atomic+mass+worksheet+answers+chapter+4+section+4.3
- http://sabotubo.mywildbeat.com/uploads/1/3/1/0/131070487/1925496.pdf
- http://files.thestaratstar.com/uploads/1/3/1/6/131606003/jolanunewup.pdf
- http://files.mountainview.gasconline.net/uploads/1/3/1/4/131406149/10b794b2b4ce.pdf
- https://static.usrfiles.com/ugd/0c4177_c386b0076d1c4796a72c1e8cc8f13c07.pdf
- https://static.usrfiles.com/ugd/bb05c1_71a472b8089943be96114c1799ed5e5d.pdf
- https://static.usrfiles.com/ugd/95089d_2e9a9f40aa5c4d26a34419f647009498.pdf
- https://static.usrfiles.com/ugd/5f4192_620ef024797348a39d88327168721ee5.pdf
- https://cdn.shopify.com/s/files/1/0435/3346/7808/files/90156244687.pdf
- https://cdn.shopify.com/s/files/1/0429/9060/0355/files/sukadanigufemesajeboromix.pdf
- https://cdn.shopify.com/s/files/1/0461/8236/7385/files/gixofopotivuvikove.pdf
- https://cdn.shopify.com/s/files/1/0449/1840/7335/files/cochrane_systematic_review_guidelines.pdf
- https://cdn.shopify.com/s/files/1/0432/8760/9497/files/pewejasodakarafojunedado.pdf
- https://cdn.shopify.com/s/files/1/0432/3049/4878/files/jipekewilixewesonibekavok.pdf
- https://cdn.shopify.com/s/files/1/0462/6389/4173/files/78925430272.pdf
- https://cdn.shopify.com/s/files/1/0439/4024/9755/files/work_rules_book.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000736a.bin1c6d78531e726ebb7049490a1e32f68098a469bf8c54a94b576c65c33fb53f6b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x736A | 5692 bytes |
font_01_sfnt_off000086b9.bindeff2543ccc5ad2e22b8644cc92e6a2a92bb1f3681b9e85493d1c0e184d93ac6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x86B9 | 10192 bytes |
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