MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with the primary one pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the malicious URL and references to academic papers, suggesting a lure to trick users into clicking the link. 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://ggtraff.ru/123?keyword=chemistry+if8766+page+67
- https://cdn-cms.f-static.net/uploads/4371258/normal_5f933336bd7bd.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0504/1949/9168/files/a_practical_guide_for_policy_analysis_free.pdf
- https://s3.amazonaws.com/wonoti/46676817651.pdf
- https://cdn.shopify.com/s/files/1/0507/2735/4528/files/descargar_whatsapp_para_blackberry_q10_apk.pdf
- https://cdn.shopify.com/s/files/1/0499/2850/3464/files/wesafumokaxinivag.pdf
- https://cdn.shopify.com/s/files/1/0499/3446/7224/files/download_aplikasi_gunship_strike_3d_mod_apk.pdf
- https://cdn.shopify.com/s/files/1/0465/1951/7334/files/ben_hill_griffin_iv.pdf
- https://cdn.shopify.com/s/files/1/0507/9524/9832/files/45939629350.pdf
- https://cdn.shopify.com/s/files/1/0439/8763/2286/files/bukunenor.pdf
- https://cdn.shopify.com/s/files/1/0506/4327/1830/files/81649923549.pdf
- https://cdn.shopify.com/s/files/1/0502/8190/6361/files/certified_paralegal_review_manual_4th_edition_free.pdf
- https://s3.amazonaws.com/tadovu/sirefulexorevezov.pdf
- https://uploads.strikinglycdn.com/files/a570aa26-4a13-4813-8bde-bb150c99f6af/vemevilosetugeriliwarotiv.pdf
- https://cdn.shopify.com/s/files/1/0268/8493/1765/files/marineland_magnum_350_canister_filter_manual.pdf
- https://uploads.strikinglycdn.com/files/e8819e9b-d88d-4bd0-b802-6170bce05503/footprints_without_feet_extra_questi.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_off00004fd2.bin94b93d3edc02ba2daa2b5d26833dc5afa5d730c6a75232d1b1e5e83543927fc5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4FD2 | 5716 bytes |
font_01_sfnt_off0000632e.binf26d29009a8f303448e41b3e6fc9f7bac6af1e1ac4cba8e2d8a412d4e9f940f2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x632E | 10736 bytes |
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