MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, including one pointing to a known malicious redirector. The document body, though partially corrupted, contains text related to piano sheet music and includes the malicious URL, suggesting a lure to a phishing or malware distribution site. The presence of a link farm and a malicious redirector indicates a campaign to drive traffic to potentially harmful content.
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=freely+freely+piano+sheet+music
- http://files.thecinnamonowl.com/uploads/1/3/2/7/132740498/bobaso-bidet-jemilot-valulusufeto.pdf
- http://files.centrocha.org/uploads/1/3/0/8/130873870/7918256.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://cdn.shopify.com/s/files/1/0429/6228/8793/files/sheet_metal_folding_machines_for_sale.pdf
- https://cdn.shopify.com/s/files/1/0431/5951/9387/files/hexadecimal_to_decimal_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0431/6492/6111/files/best_reader_for_windows_10_tablet.pdf
- https://cdn.shopify.com/s/files/1/0431/9094/3904/files/fivop.pdf
- https://cdn.shopify.com/s/files/1/0437/8276/6743/files/paxowupazeviwona.pdf
- https://cdn.shopify.com/s/files/1/0431/8484/9045/files/problem_statement_templates.pdf
- https://cdn.shopify.com/s/files/1/0431/7039/8362/files/mirud.pdf
- https://cdn.shopify.com/s/files/1/0431/3320/6689/files/ssc_marksheet_2019_dhaka_board.pdf
- https://cdn.shopify.com/s/files/1/0429/1792/0934/files/pabusabipu.pdf
- https://cdn.shopify.com/s/files/1/0434/5102/3510/files/55945390198.pdf
- https://cdn.shopify.com/s/files/1/0435/5679/8613/files/harley_evo_engine.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000451d.bin4f70115c40780d0777354998859d1086e9be90a323c4c458a3a0662a10a0e004 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x451D | 5192 bytes |
font_01_sfnt_off0000569f.bin7a5683fbb199e8fec35ec4cfea84f22c81ee97867f74261ad795968172bd7a26 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x569F | 14364 bytes |
font_02_sfnt_off000083f5.bind1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x83F5 | 4324 bytes |
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