MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links, with one pointing to a known malicious redirector at 'ttraff.com'. The document body, though partially corrupted, includes text suggesting it is a PDF about medical criteria, likely a lure. The presence of numerous external PDF links, many hosted on Shopify, indicates a link farm designed to obscure the malicious redirector. No scripts were extracted, but the primary attack vector appears to be directing users to malicious infrastructure.
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.com/pify?keyword=criterios+de+alvarado+para+apendicitis+pdf
- http://tonejona.comland.org/uploads/1/3/1/6/131637789/xujisazafus_lanib.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/3349/2641/files/sefawakasamagijikijewoma.pdf
- https://cdn.shopify.com/s/files/1/0434/8005/5974/files/77963834442.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/36103472339.pdf
- https://cdn.shopify.com/s/files/1/0447/9349/5709/files/79243938544.pdf
- https://cdn.shopify.com/s/files/1/0432/4504/3876/files/giwudowogex.pdf
- https://cdn.shopify.com/s/files/1/0430/6183/7981/files/bejeweled_2_shockwave.pdf
- https://cdn.shopify.com/s/files/1/0431/0371/5481/files/poxas.pdf
- https://cdn.shopify.com/s/files/1/0427/6633/6167/files/paxokaxizoxovi.pdf
- https://cdn.shopify.com/s/files/1/0427/4146/5244/files/raxojex.pdf
- https://cdn.shopify.com/s/files/1/0434/0409/9740/files/git_branching_model.pdf
- https://cdn.shopify.com/s/files/1/0436/2865/8848/files/94093473928.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_off00006f9e.bin7badcd9f6467419c0dc79ea6a7fd422c1442ea8553ab9e601027ca98e6f31147 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F9E | 5116 bytes |
font_01_sfnt_off00008121.bin4736853c9ff34b5d4db47c296726f2379f22e245838cf7c3c6981143a72879e0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8121 | 15368 bytes |
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