MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a large number of embedded links, many of which point to external PDF files hosted on Shopify. One critical heuristic identified a link to a known malicious redirector infrastructure. The document body, though heavily obfuscated, contains references to the redirector URL and other PDF links, suggesting a coordinated effort to distribute content or manipulate search engine results. No scripts were extracted, and the primary malicious activity observed is the redirection and hosting of numerous links.
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=auld+lang+syne+piano+sheet+music
- http://kekasejuv.nuevaarts.org/uploads/1/3/2/3/132303189/weximebe.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/4135/6950/files/doluvorugotevavojajaj.pdf
- https://cdn.shopify.com/s/files/1/0437/9217/1165/files/metra_bnsf_schedule.pdf
- https://cdn.shopify.com/s/files/1/0437/6484/2657/files/vuvoresugikupojewafuzamu.pdf
- https://cdn.shopify.com/s/files/1/0431/2317/9677/files/chamakam_telugu_download.pdf
- https://cdn.shopify.com/s/files/1/0431/1223/5174/files/arte_de_la_real_audiencia_de_quito.pdf
- https://cdn.shopify.com/s/files/1/0437/5969/8077/files/tazumob.pdf
- https://cdn.shopify.com/s/files/1/0430/9948/8410/files/ashokan_farewell_quartet_sheet_music.pdf
- https://cdn.shopify.com/s/files/1/0433/0877/7637/files/66856372616.pdf
- https://cdn.shopify.com/s/files/1/0434/3323/0488/files/xifopoxigujibunaw.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_off00003f9f.bine48e609f8f7f26a6e8ce51edca53e10f2ab1c52e38e85f79a6221853642d7a8b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x3F9F | 5484 bytes |
font_01_sfnt_off00005222.bin271a8ceca01fdba8e0511bad420e94b0163a09cb59e4873f05dd63f30164f34d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5222 | 8996 bytes |
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