MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector at https://ttraff.com/pify?keyword=hallelujah+sheet+music+pdf+piano. The document body also contains this URL, suggesting a social engineering lure to download further malicious content. The ML classifier strongly supports the malicious nature of this PDF.
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=hallelujah+sheet+music+pdf+piano In PDF document text
- http://files.alinasab.ca/uploads/1/3/2/6/132696015/4473001.pdfIn PDF document text
- http://files.holytemplec.org/uploads/1/3/1/4/131453598/zaxopoxudito_mogogodabuga.pdfIn PDF document text
- http://files.conservexenergy.com/uploads/1/3/1/4/131406717/gelireza.pdfIn PDF document text
- http://files.declutteringspaces.com/uploads/1/3/0/7/130776218/duxupugixa_mewan_zesasuk_vikizama.pdfIn PDF document text
- http://files.ct-asta.org/uploads/1/3/1/3/131384797/1e73b7a6dd06a.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6539/3831/files/45973712255.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/8202/8958/files/namexasogujovarenidifivas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2407/9254/files/xray_resource_pack_1._12._2.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9779/2420/files/jiliwesewewuz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8176/8864/files/look_back_in_anger_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7794/9848/files/45259736683.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7396/1110/files/pifedorux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4424/1562/files/buddhist_temple_architecture.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4196/4710/files/82153109559.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3009/2712/files/biblical_theology_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7215/0947/files/36332005023.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6388/6495/files/rolixuterekefise.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8651/9203/files/mulevalijekedisitufusepu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7623/1072/files/girugununezexaligifo.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000055d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x55D9 | 5336 bytes |
SHA-256: 24cc39e58a963e1139f0b4d47bdb06e372deceaec93ca6218b57697954904cc2 |
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font_01_sfnt_off000067e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67E1 | 10060 bytes |
SHA-256: bd1baa8788612acbbe1042bd80a0f4b413c2fc7aad6c8ee3ad4220ed157c03b2 |
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