MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a significant number of embedded links, identified as a link farm, with one prominent link pointing to a known malicious redirector. The primary purpose appears to be SEO manipulation rather than direct user compromise, though the redirector poses a risk. No scripts were extracted, limiting the analysis of direct payload delivery.
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/pify?keyword=protein+structure+determination+pdf
- http://files.westernspringsbuilder.com/uploads/1/3/0/7/130740596/9e862.pdf
- http://files.gardenspotrentals.net/uploads/1/3/2/6/132681938/finefenusavat.pdf
- http://files.visiblegreenhome.com/uploads/1/3/0/7/130775623/45777a3a5f.pdf
- https://cdn.shopify.com/s/files/1/0432/8875/6374/files/thematic_data_analysis.pdf
- https://cdn.shopify.com/s/files/1/0427/5005/0460/files/vukusevasuwel.pdf
- https://cdn.shopify.com/s/files/1/0431/4886/9786/files/rukegoxopum.pdf
- https://cdn.shopify.com/s/files/1/0436/5837/9417/files/nios_assignment_front_page_format.pdf
- https://cdn.shopify.com/s/files/1/0440/5824/7320/files/vegetative_state_adalah.pdf
- https://cdn.shopify.com/s/files/1/0436/1525/6738/files/camscanner_license_creator_1._4_apk_cracked.pdf
- https://cdn.shopify.com/s/files/1/0436/8809/9993/files/38831794187.pdf
- https://cdn.shopify.com/s/files/1/0430/6717/9165/files/21010662738.pdf
- https://cdn.shopify.com/s/files/1/0431/2704/6301/files/swarm_robotics_a_formal_approach.pdf
- https://cdn.shopify.com/s/files/1/0428/7247/1715/files/accidente_de_trabajo_colombia.pdf
- https://cdn.shopify.com/s/files/1/0435/2638/9912/files/adventure_capitalist_cheats.pdf
- https://cdn.shopify.com/s/files/1/0435/5771/6117/files/35101907520.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_off000068af.bin75a8d3ed9b861d108861e27d36798566e25d6899a6fe843e046b75342106a6a7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68AF | 5272 bytes |
font_01_sfnt_off00007a86.binb405f504b49d3f9a9d434c3571d950c7b865eb8d60716dd4c9656ff2b1e28bc4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A86 | 13348 bytes |
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