MALICIOUS
102
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link to a known malicious redirector, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains text related to 'community acquired pneumonia guidelines update' and urgency language, suggesting a phishing or social engineering lure. The ML classifier also strongly flagged this PDF as malicious. The primary IOC is the malicious redirector URL.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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=community+acquired+pneumonia+guidelines+update
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0465/4438/8246/files/50932678979.pdf
- https://cdn.shopify.com/s/files/1/0429/8863/4263/files/10474772777.pdf
- https://cdn.shopify.com/s/files/1/0434/0521/3847/files/52929323444.pdf
- https://static.usrfiles.com/ugd/e2c250_c2ab7a5ea9684502847793a5c79f6ee7.pdf
- https://static.usrfiles.com/ugd/b13fd1_b3d855328a204147a3f3d8be42ae4b22.pdf
- https://static.usrfiles.com/ugd/5e8de6_170dcf04177a407bbde034048dac1d2b.pdf
- https://cdn.shopify.com/s/files/1/0433/8820/7254/files/zuxumikivanodazeluxurebir.pdf
- https://cdn.shopify.com/s/files/1/0438/7730/2427/files/92802658682.pdf
- https://cdn.shopify.com/s/files/1/0434/9893/0341/files/formal_debate_rules_high_school.pdf
- https://cdn.shopify.com/s/files/1/0429/3551/7337/files/80552947644.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
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00022023.bin55265bfabf74c15ff979c273a5e9d49beba6da1aa844a5084e886e05bac501aa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x22023 | 5528 bytes |
font_01_sfnt_off000232d2.binc5bbd20805828a551f41e4db324088e9ed983509d2dcf56f9693a5eda9bb91fd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x232D2 | 10800 bytes |
font_02_sfnt_off00025772.bin70180b97a9b9fe0de1e0c05b06d733d04658c9f7a2923a3eee6842afe753d47e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x25772 | 16152 bytes |
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