MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many of which point to a redirector service (ttraff.com) that is flagged as malicious. The document body, though heavily obfuscated, contains text related to sheet music and URLs, suggesting a lure to download or access content. The presence of embedded URLs and the ML classifier's high confidence indicate malicious intent, likely to redirect users to a phishing or malware distribution site.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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=candlelight+carol+sheet+music+pdf In PDF document text
- http://files.northshorebaptist.org/uploads/1/3/1/4/131453897/1183795.pdfIn PDF document text
- http://files.mahakaitreasures.com/uploads/1/3/0/8/130813320/77e936.pdfIn PDF document text
- http://xujuze.pthscap.com/uploads/1/3/1/4/131453060/dumirux.pdfIn PDF document text
- http://files.centermentalhealth.com/uploads/1/3/1/1/131163920/podejefudededidobu.pdfIn PDF document text
- http://files.phktsda.com/uploads/1/3/1/4/131438245/c53a9652.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0429/9803/8679/files/66344975582.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1867/3566/files/85246766275.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5251/2918/files/wifinowixuvurizejof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8037/5704/files/21091978459.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0707/4723/files/busaveketa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1339/7924/files/36094598616.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9071/5548/files/gomijabakefuvajo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5323/6902/files/wevusenilumogegero.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3541/0077/files/59211310088.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8385/8073/files/43517794342.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4760/7720/files/react_file_upload.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0127/3758/files/tezemag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lezoxaxus.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000536a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x536A | 5476 bytes |
SHA-256: e0d1aa57d46fdf3bcb1aa1b042bf914d33dcfc41cad6ecb78f1ff1041bb37ccf |
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font_01_sfnt_off000065d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65D6 | 9940 bytes |
SHA-256: 1d22350725959da23dbe9637130a7f259ec6e348b54d5c2dbf2b94863255eb80 |
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font_02_sfnt_off000087d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x87D3 | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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