MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a critical heuristic firing for linking to a known malicious redirector, which is further supported by the presence of a large number of external PDF links, suggesting a link farm. The document body, though partially obfuscated, contains the target URL and a plausible lure related to medical guidelines. 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.me/wix?keyword=nccn+guidelines+basal+cell+carcinoma+2018
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/6091/9446/files/96661069170.pdf
- https://cdn.shopify.com/s/files/1/0429/7788/6371/files/balance_sheet_sample_2019.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/29942388251.pdf
- https://cdn.shopify.com/s/files/1/0431/9870/9918/files/wemomewixipewubab.pdf
- https://cdn.shopify.com/s/files/1/0462/8945/3217/files/50459461546.pdf
- https://cdn.shopify.com/s/files/1/0435/2190/0696/files/texas_130-_u.pdf
- https://cdn.shopify.com/s/files/1/0429/8424/3351/files/mesob.pdf
- https://cdn.shopify.com/s/files/1/0435/2458/7679/files/6451848956.pdf
- https://cdn.shopify.com/s/files/1/0427/9074/8316/files/areca_nut_farming_guide.pdf
- https://cdn.shopify.com/s/files/1/0429/8558/6849/files/el_acoso_escolar_libro.pdf
- https://medlineplus.gov/skincancer.html
- 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_off00005e63.bin0687c542c9e1f22a6c6daae3920c5f905e5084c9340e0cdd1a06b733735fe739 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E63 | 5888 bytes |
font_01_sfnt_off0000725d.bind14b22045d7b3cdafae53e769a5bbd72943ab9a23aa617df0596c871be6616c6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x725D | 12744 bytes |
font_02_sfnt_off00009b1d.bind9b012042df5fe8dc074c42eae0f7627b15178249d85eb70dc7afc452d134ec7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9B1D | 16132 bytes |
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