MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to external PDF files, a technique often used for SEO poisoning or to host malicious content. One critical heuristic identified a link to a known malicious redirector at 'https://ttraff.ru/pify?keyword=blue+devils+2017+metamorph+sheet+music'. The ML classifier also strongly indicated maliciousness. No scripts were extracted, but the document body contains obfuscated text and URLs, suggesting an attempt to disguise the malicious intent.
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.ru/pify?keyword=blue+devils+2017+metamorph+sheet+music
- http://bopebad.mysgloan.com/uploads/1/3/1/4/131453177/xajalas-medafat.pdf
- http://files.yavmagazine.com/uploads/1/3/2/7/132710783/pimofemaxixotu_xujofimuwariguk_viwami_zovajijara.pdf
- http://files.rooibergsafaris.com/uploads/1/3/1/4/131454459/lufev-lomatazogamir-rifososipoxojem.pdf
- http://fadanado.gforceunlimited.com/uploads/1/3/2/3/132303410/2592131.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/3239/5426/files/88062889612.pdf
- https://cdn.shopify.com/s/files/1/0432/4871/3896/files/fundamentals_of_the_analysis_of_algorithm_efficiency.pdf
- https://cdn.shopify.com/s/files/1/0432/8233/3851/files/4662367046.pdf
- https://cdn.shopify.com/s/files/1/0430/8841/2836/files/21072714810.pdf
- https://cdn.shopify.com/s/files/1/0428/8918/3398/files/benudifa.pdf
- https://cdn.shopify.com/s/files/1/0433/3748/2405/files/zotiludepizebur.pdf
- https://cdn.shopify.com/s/files/1/0431/9405/6861/files/1902710284.pdf
- https://cdn.shopify.com/s/files/1/0433/2349/0457/files/49471162410.pdf
- https://cdn.shopify.com/s/files/1/0436/0064/2211/files/84142604997.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_off00004646.bin6e7a3755d250f92af588d776fb891f7363d5d0a28fadd58db8ff5f95e6564662 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4646 | 5828 bytes |
font_01_sfnt_off00005a0b.bin71237c3c0b5fa83ea881fdd796bc82eb8c3ec72520046139da1a136277027159 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A0B | 14256 bytes |
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