MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, characteristic of a link farm designed to improve search engine rankings. One of these links, https://ttraff.com/pify?keyword=2013+acc%252F+aha+cholesterol+guidelines+pdf, points to a known malicious redirector, indicating a potential phishing or malware distribution attempt. The ML classifier strongly supports the malicious nature of this document.
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=2013+acc%252F+aha+cholesterol+guidelines+pdf
- http://files.support.famhealth.com/uploads/1/3/1/4/131437740/3357936.pdf
- http://nepeda.tasteoforovalley.org/uploads/1/3/1/6/131636881/ec9b508d.pdf
- http://files.appimn.org/uploads/1/3/0/7/130740013/4235893.pdf
- http://files.friendsofcherryorchardpark.org/uploads/1/3/2/3/132303219/6006201.pdf
- https://cdn.shopify.com/s/files/1/0428/7243/8947/files/hoja_de_seguridad_del_acido_acetico.pdf
- https://cdn.shopify.com/s/files/1/0430/7258/5888/files/48611323761.pdf
- https://cdn.shopify.com/s/files/1/0437/8689/5522/files/ragutemituxovusamilemusan.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/57355052908.pdf
- https://cdn.shopify.com/s/files/1/0434/0593/4757/files/xamesenamoxefifunadu.pdf
- https://cdn.shopify.com/s/files/1/0436/9596/4328/files/ladavofagevigan.pdf
- https://cdn.shopify.com/s/files/1/0450/3250/5502/files/loriza.pdf
- https://cdn.shopify.com/s/files/1/0431/0417/4233/files/katusuka.pdf
- https://cdn.shopify.com/s/files/1/0428/7712/4764/files/290102981.pdf
- https://cdn.shopify.com/s/files/1/0434/2513/6792/files/wajodamudazepu.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000072ed.binb272c9fe463e6ba057c5ef3b76de8810c513502a7a0a5223286811f93549d14a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72ED | 5848 bytes |
font_01_sfnt_off000086c5.bin09b4149dcc0ffa4a9be23ff4763acfc64778ed3c841bf47a00bb7cd7305015fc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x86C5 | 10304 bytes |
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