MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link that redirects to known malicious infrastructure, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains text related to a printer manual, suggesting a lure. The PDF also contains a large number of external links, flagged as a PDF_SEO_LINK_FARM, indicating a potential attempt to manipulate search results or distribute further malicious content.
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/wix?keyword=hp+deskjet+3521+manual
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/b8c837_f71dee7c754c49a1b475d2b705e2bff9.pdf
- https://static.usrfiles.com/ugd/e643da_813adeadba7b498497637740863e4865.pdf
- https://static.usrfiles.com/ugd/73c254_d7558bcf74cf4ee0a03e1340416aa46f.pdf
- https://static.usrfiles.com/ugd/3f0e57_05fcae02466b4b8eb2a86ff889aca36e.pdf
- https://static.usrfiles.com/ugd/136d07_a6205b807cbf4f14a28ec058868abfa2.pdf
- https://static.usrfiles.com/ugd/8b2c09_7b9e289297d8403f92ba491e7d1087b3.pdf
- https://static.usrfiles.com/ugd/b444d4_d00eacbd56f84c74b4f0046c24570710.pdf
- https://static.usrfiles.com/ugd/de02f3_219cfb385fa74c04b51a3040d23fadcf.pdf
- https://static.usrfiles.com/ugd/c3f88d_ce73dba0ad3f4d4e995060d0f6759b62.pdf
- https://static.usrfiles.com/ugd/d1c05f_45b6b87480bb4f6ca9b9645df1c6e4fa.pdf
- https://static.usrfiles.com/ugd/2c8d66_568fab222d574f379fc7905fa548a3dc.pdf
- https://static.usrfiles.com/ugd/cac9e4_f3ffae3517084192ab0b6f28b6e53cd2.pdf
- https://static.usrfiles.com/ugd/b8c837_1bb815f7052643ddb9520f07d89f548e.pdf
- https://static.usrfiles.com/ugd/e23fbb_c31932f53eaa4efab158e74acb37cbd5.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_off00005556.bin482747c67b22eb074cdd7398069b15199d3f544a34b2ca39a9f87f6923c2b77a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5556 | 5584 bytes |
font_01_sfnt_off00006852.binb603bdb3566e62b1d7ffcf492eafb1c1cde39b76497bd91bc94c334a8e4f09c2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6852 | 10284 bytes |
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