MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link that redirects to a malicious domain, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body text, though heavily obfuscated, contains the lure 'Background music for wedding invitation free' and the malicious URL. The PDF_SEO_LINK_FARM heuristic indicates the presence of numerous external links, many hosted on cdn.shopify.com, suggesting a link farm designed to improve search engine ranking for malicious content. The ML_NYX_PDF_MALICIOUS classifier strongly supports the malicious nature of this PDF.
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=background+music+for+wedding+invitation+free
- http://files.vargassuarezuniversal.com/uploads/1/3/0/7/130776779/bibexikixixu.pdf
- http://files.vibrantlifechiropractic.com/uploads/1/3/1/8/131857580/rowufeverokesim.pdf
- https://cdn.shopify.com/s/files/1/0431/2875/0241/files/satobiverulitividufe.pdf
- https://cdn.shopify.com/s/files/1/0434/1334/0316/files/70895277054.pdf
- https://cdn.shopify.com/s/files/1/0431/7980/2782/files/2020472379.pdf
- https://cdn.shopify.com/s/files/1/0434/3070/7356/files/ronokakomenokaxekowufubo.pdf
- https://cdn.shopify.com/s/files/1/0428/8951/1071/files/niletesezegilenel.pdf
- https://cdn.shopify.com/s/files/1/0427/5575/2103/files/free_argumentative_essay_examples.pdf
- https://cdn.shopify.com/s/files/1/0429/5386/7427/files/24221478325.pdf
- https://cdn.shopify.com/s/files/1/0457/3698/4742/files/crystal_reports_runtime_engine_windows_10.pdf
- https://cdn.shopify.com/s/files/1/0431/5637/3659/files/beverly_hills_star_map.pdf
- https://cdn.shopify.com/s/files/1/0432/3534/4539/files/57692863343.pdf
- https://cdn.shopify.com/s/files/1/0432/9930/7678/files/631818045.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_off00006466.bin9d77b5588649591a62c87bbe9b081ebfa5f42b9e961014261b5016b63734184b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6466 | 5572 bytes |
font_01_sfnt_off00007769.bin5b4e628a5a8450c0815f2f579e53780284397724964a33ad2253ee82ea432c1a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7769 | 10016 bytes |
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