MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a mass external link farm, with one URL pointing to known malicious redirector infrastructure. The document body, though heavily obfuscated, appears to be related to medical guidelines, likely a lure. The presence of numerous PDF links suggests an attempt to distribute further malicious content or engage in SEO manipulation for malicious purposes.
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=sinus+of+valsalva+aneurysm+guidelines
- http://files.apoiesis.com/uploads/1/3/2/7/132711999/magizusukudiveneb.pdf
- http://files.triplecrownbasketball.com/uploads/1/3/1/1/131163578/labotabovig.pdf
- http://files.bettingonasecondchance.com/uploads/1/3/1/4/131454143/6b8b33e7421.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/0868/7269/files/gemuvonefovafom.pdf
- https://cdn.shopify.com/s/files/1/0428/7247/1718/files/jepogagorakesawire.pdf
- https://cdn.shopify.com/s/files/1/0431/1013/8017/files/bixuxobogex.pdf
- https://cdn.shopify.com/s/files/1/0430/7920/5013/files/zonuno.pdf
- https://cdn.shopify.com/s/files/1/0429/1526/6713/files/86881601775.pdf
- https://cdn.shopify.com/s/files/1/0439/4100/3432/files/38696474929.pdf
- https://cdn.shopify.com/s/files/1/0429/6838/3641/files/59638580307.pdf
- https://cdn.shopify.com/s/files/1/0432/7197/9171/files/muzibidokiwotukiniviwuler.pdf
- https://cdn.shopify.com/s/files/1/0434/2785/6536/files/winufa.pdf
- https://cdn.shopify.com/s/files/1/0431/7829/5450/files/laxafatuzugotavewuten.pdf
- https://cdn.shopify.com/s/files/1/0432/6300/0734/files/9533161849.pdf
- https://cdn.shopify.com/s/files/1/0430/3932/6365/files/kulijasakidag.pdf
- https://cdn.shopify.com/s/files/1/0438/0357/4432/files/pujarezananede.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_off000086e5.bind5efa61aa75b8d1ce3d7531fbee7c724e57755d92bc56fa2bb51852be6aa456f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x86E5 | 5296 bytes |
font_01_sfnt_off000098cd.bin6d223895fa0d140076d670d9ec95462097fb086cf9f42deb4755eb21571ff69b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x98CD | 10108 bytes |
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