MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with one specifically identified as a malicious redirector pointing to 'https://ttraff.com/pify?keyword=ischemic+stroke+journal+pdf'. The presence of a large number of external PDF links, many hosted on Shopify, suggests a link farm or SEO manipulation tactic. 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.com/pify?keyword=ischemic+stroke+journal+pdf
- http://files.honeybugscornwall.co.uk/uploads/1/3/1/6/131606330/7161029.pdf
- http://files.ojibwe-dakota-in-mn.com/uploads/1/3/1/1/131163687/04f258.pdf
- http://files.kresinternationaladmissions.com/uploads/1/3/1/4/131437454/ddaa923282b03a.pdf
- http://files.antengineering.com.au/uploads/1/3/0/8/130874396/lepazalevajitanol.pdf
- http://files.sunninghill.com.au/uploads/1/3/1/1/131164573/53d41.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0439/1400/2587/files/4666998607.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/65039204935.pdf
- https://cdn.shopify.com/s/files/1/0431/3225/6407/files/witcher_2_mods.pdf
- https://cdn.shopify.com/s/files/1/0434/3542/5944/files/vunebuxi.pdf
- https://cdn.shopify.com/s/files/1/0437/4197/0583/files/66923547805.pdf
- https://cdn.shopify.com/s/files/1/0432/5982/2244/files/10256882450.pdf
- https://cdn.shopify.com/s/files/1/0433/5622/5688/files/28338956858.pdf
- https://cdn.shopify.com/s/files/1/0432/5608/6696/files/61148684280.pdf
- https://cdn.shopify.com/s/files/1/0438/4312/5405/files/89933067265.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_off00008ad2.bin32681fe343ca4c7a5656d905cc9f919d3f1dde95cc44587aa07500140e3e1e5f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8AD2 | 5472 bytes |
font_01_sfnt_off00009d46.bin2ab08a31bfb6c43ef9a203cb12623cc974a2eac33d65ceb50fe5c6e8f3051fb9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9D46 | 10808 bytes |
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