MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link that redirects to a malicious domain, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains the same lure text and URLs as found in the heuristics, indicating a deliberate attempt to trick users into visiting the redirector. The PDF_SEO_LINK_FARM heuristic further suggests this is part of a larger campaign to generate traffic through SEO-optimized lures. 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://ttraff.cc/pify?keyword=basic+guitar+chords+finger+placement+pdf
- http://vipekuj.jonesybc.com/uploads/1/3/2/6/132695569/zejadobe-nabema-vogupidawobuka.pdf
- http://files.saintanthonywoonsocket.org/uploads/1/3/2/6/132681670/mujewivifupisugez.pdf
- http://debudazi.claritydoorsandwindows.co.uk/uploads/1/3/0/8/130813528/db304e61daaa5e.pdf
- http://files.richstep.com.hk/uploads/1/3/1/3/131398334/00b5f365.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kilezibuvi.pdf
- https://cdn.shopify.com/s/files/1/0429/2293/4435/files/87770474059.pdf
- https://cdn.shopify.com/s/files/1/0434/0688/5020/files/dabugitijinaxeladowusu.pdf
- https://cdn.shopify.com/s/files/1/0428/8184/3353/files/17378304098.pdf
- https://cdn.shopify.com/s/files/1/0429/7549/4300/files/number_theory_worksheets.pdf
- https://cdn.shopify.com/s/files/1/0429/8955/1770/files/siforusuvebexiv.pdf
- https://cdn.shopify.com/s/files/1/0437/4790/1592/files/simbol_flowchart_dan_fungsinya.pdf
- https://cdn.shopify.com/s/files/1/0440/5651/0616/files/nami_lol_build.pdf
- https://cdn.shopify.com/s/files/1/0436/2502/1603/files/26221672734.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000678d.bin6e32656f15e575f8976cfcd79512709c89d418a224325704040cf96a737b6c4b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x678D | 5500 bytes |
font_01_sfnt_off00007a0e.binc4f6d483647d5b1aa47b27d784a1e1ba352b0d584b3a3f15fad8b16265c4fdd3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A0E | 9924 bytes |
font_02_sfnt_off00009c06.binb50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9C06 | 4324 bytes |
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