MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.cc/pify?keyword=astronomy+merit+badge+pamphlet+pdf'. This indicates the document's primary purpose is to redirect users to malicious infrastructure. The presence of numerous other external PDF links, identified by the PDF_SEO_LINK_FARM heuristic, further supports a campaign distributing malicious content. The ML classifier also strongly flagged this PDF as malicious.
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=astronomy+merit+badge+pamphlet+pdf
- http://files.threeriversautomodelers.net/uploads/1/3/1/4/131411199/7939a7b4.pdf
- http://files.cyclingsportscenter.com/uploads/1/3/1/4/131452903/2136782.pdf
- http://tamiwavi.lidiarussellphotography.com/uploads/1/3/0/8/130874524/8508513.pdf
- http://files.greenideasdurham.co.uk/uploads/1/3/1/4/131452811/0e40b747.pdf
- http://files.udga.org/uploads/1/3/1/8/131871569/vubiv-wizesemimope.pdf
- https://cdn.shopify.com/s/files/1/0431/5634/0890/files/63918480512.pdf
- https://cdn.shopify.com/s/files/1/0429/8211/3433/files/xuxokakuxam.pdf
- https://cdn.shopify.com/s/files/1/0431/4690/3701/files/10565834357.pdf
- https://cdn.shopify.com/s/files/1/0428/3265/8588/files/27654881287.pdf
- https://cdn.shopify.com/s/files/1/0433/7047/9768/files/14938750050.pdf
- https://cdn.shopify.com/s/files/1/0429/2670/2755/files/jopinobilixoxijedegujagu.pdf
- https://cdn.shopify.com/s/files/1/0428/4986/1791/files/65025412015.pdf
- https://cdn.shopify.com/s/files/1/0428/3292/0732/files/59782797167.pdf
- https://cdn.shopify.com/s/files/1/0435/8550/3393/files/piccolo_trumpet_sheet_music.pdf
- https://cdn.shopify.com/s/files/1/0431/2147/5738/files/27369292761.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_off00007834.bin001669f7f1195d72b746b9ea75ba65c87b2c88f2575c213051bbe58bef91a3c5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7834 | 5688 bytes |
font_01_sfnt_off00008b59.bin7eb2135b3daf1a6ae140357b64ce2034fcb44b8afda294814a1103f6dd438d43 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8B59 | 9840 bytes |
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