MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass of external links, with one critical heuristic identifying a link to known malicious redirector infrastructure. The document body, though obfuscated, contains the primary malicious URL, suggesting the intent is to lure the user to a compromised site. The ML classifier strongly supports the malicious nature of this PDF.
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=applied+mathematics+2+kumbhojkar+pdf
- http://pazojizin.videopost.in/uploads/1/3/2/6/132682646/junebuxivixetul.pdf
- http://files.vfxworks.net/uploads/1/3/1/4/131407284/firufidejizom_biliselode.pdf
- http://files.gracefmc.org/uploads/1/3/0/9/130969623/xijimuwiraseto.pdf
- http://files.bringingtherapyhome.com/uploads/1/3/1/4/131407521/9319345.pdf
- https://cdn.shopify.com/s/files/1/0429/4295/5676/files/77223206324.pdf
- https://cdn.shopify.com/s/files/1/0431/8406/2622/files/tawofol.pdf
- https://cdn.shopify.com/s/files/1/0430/9378/6791/files/82383973602.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/puneson.pdf
- https://cdn.shopify.com/s/files/1/0430/7753/3856/files/the_opencl_programming_book.pdf
- https://cdn.shopify.com/s/files/1/0430/7383/1072/files/finetutefu.pdf
- https://cdn.shopify.com/s/files/1/0434/5249/8070/files/chromophore_et_auxochrome.pdf
- https://cdn.shopify.com/s/files/1/0434/3011/7526/files/zurosawujen.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/2857609843.pdf
- https://cdn.shopify.com/s/files/1/0429/5327/7603/files/discord_block_quote.pdf
- https://cdn.shopify.com/s/files/1/0433/3781/0075/files/xejeruwagefol.pdf
- https://cdn.shopify.com/s/files/1/0430/9896/4117/files/mortal_kombat_2_snes_fatalities.pdf
- https://cdn.shopify.com/s/files/1/0440/4376/3862/files/80970599792.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_off00005aa3.bind66b5b6130b33cf9b471086a73f3118fc5ec32b9d2b67497f551f6ecec650e9c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5AA3 | 5796 bytes |
font_01_sfnt_off00006e35.bine734938debb3ee8193d966fdd5e43af2a57c15d4a83b7992920dbcf7ca7b49c2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E35 | 10476 bytes |
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