MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm and a malicious redirector URL, suggesting a phishing or scam attempt. The document body, though partially corrupted, contains the text 'Jazz piano music sheet free' and the malicious URL 'https://ttraff.cc/pify?keyword=jazz+piano+music+sheet+free', indicating the lure used to entice users. The ML classifier strongly flagged this PDF as malicious.
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.cc/pify?keyword=jazz+piano+music+sheet+free In PDF document text
- http://files.commongroundonthehill.org/uploads/1/3/0/8/130813730/47d69b5a0f9b.pdfIn PDF document text
- http://files.slodivers.com/uploads/1/3/0/8/130874067/juwowipabo.pdfIn PDF document text
- http://midufu.thepeaceseekers-persian.com/uploads/1/3/0/7/130739275/9e5fab7a0a1edaa.pdfIn PDF document text
- http://files.spartanburgband.org/uploads/1/3/1/4/131437445/3026560.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/1/0444/2321/7318/files/28661390801.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8579/0358/files/40030714137.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6130/4727/files/49274543586.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0531/2154/files/86740142946.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/9680354999.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6552/3862/files/potikalekuzabesaxafolumi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9928/3863/files/vejitaropoxeko.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8640/4000/files/delegation_in_nursing.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0445/8813/8660/files/bd_chaurasia_download_free_7th_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7115/2023/files/26203986431.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7564/1247/files/feloxajurudegixilejaparim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3413/2131/files/portuguese_to_english.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/6145/8582/files/nadutojalanosezulifodal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7798/2626/files/jump_math_grade_6_answer_key.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008306.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8306 | 5260 bytes |
SHA-256: d06c91c775e5b577424828c58e4a38e327d418847464088ec8ffa61cdea9eb7d |
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font_01_sfnt_off000094bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x94BF | 9996 bytes |
SHA-256: 95e7ef666349fe9d3c170fc3f442d653e79ff143c3ba8a2a49e3a8e455c0687a |
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font_02_sfnt_off0000b747.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB747 | 16100 bytes |
SHA-256: 9cfb948b915a4694feeb7f8719f2b65905b0a58e2ed918074a610570d07e7249 |
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