MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, with a critical heuristic firing indicating it points to known malicious redirector infrastructure. The document body, though partially corrupted, contains text related to a 'bd flow cytometry guide' and includes the malicious URL, suggesting a lure. The presence of many external PDF links further supports the idea of a link farm or redirection scheme.
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/pify?keyword=bd+flow+cytometry+guide
- http://towugep.thelittlesymphony.com/uploads/1/3/2/6/132681504/silira-setupuzaguridex-tefazinobi.pdf
- http://files.raifhyseni.com/uploads/1/3/0/7/130738507/xelak_wixumupunaberu.pdf
- http://matatibom.murrellsinletlife.com/uploads/1/3/1/4/131483547/77acef92af3e449.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/5117/9416/files/nipijomalonegidemezuv.pdf
- https://cdn.shopify.com/s/files/1/0431/3733/5464/files/berkshire_encyclopedia_of_world_history_vol_3.pdf
- https://cdn.shopify.com/s/files/1/0433/3538/5247/files/fall_out_3_strategy_guide.pdf
- https://cdn.shopify.com/s/files/1/0428/7427/3948/files/52645244781.pdf
- https://cdn.shopify.com/s/files/1/0427/4287/4278/files/minecraft_zombies_server.pdf
- https://cdn.shopify.com/s/files/1/0438/2267/8173/files/mixigasofafizesuzopev.pdf
- https://cdn.shopify.com/s/files/1/0438/0560/6049/files/fases_del_crecimiento_bacteriano.pdf
- https://cdn.shopify.com/s/files/1/0430/9752/2329/files/jalagaji.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_off00005d6e.bin9488ede948e21661a53d01e0af6f3ac1b303d57bfa9f75294952a0e701bca6f1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D6E | 5196 bytes |
font_01_sfnt_off00006f1c.bin816480a868a7726461addc68467e289b73ff879c8d0dfb433abd690095dd08c8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F1C | 10620 bytes |
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