MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a link farm and a critical redirector link pointing to malicious infrastructure. The document body, though obfuscated, contains the URL "https://ttraff.cc/pify?keyword=blank+drum+sheet+music+pdf", suggesting a lure to download further content. The ML classifier strongly indicates maliciousness.
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=blank+drum+sheet+music+pdf In PDF document text
- http://files.ronwozny.com/uploads/1/3/2/6/132682646/narigokek_vofusawaponofan_vilixelu.pdfIn PDF document text
- http://lufaloxav.nearyouraltar.com/uploads/1/3/0/7/130775795/3442320.pdfIn PDF document text
- http://files.billinghurstorchestras.org/uploads/1/3/1/4/131407357/03772a75e78b.pdfIn PDF document text
- http://govajeje.canedymetalcraft.com/uploads/1/3/0/7/130740178/6934366.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/1/0429/2942/2499/files/71315994071.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8064/5782/files/83932656827.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8379/1517/files/33525595480.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/20675343362.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7261/8657/files/canot_get_to_recovery_server.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7871/2472/files/53205579762.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5666/8565/files/76921193981.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1086/7871/files/72777788321.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5076/0357/files/flash_on_android.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6596/6754/files/wufoxe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1392/3228/files/algorithme_pcime_2020.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
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005592.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5592 | 6648 bytes |
SHA-256: 57e7026893e7645d2d7f6a6fbc5bab7261fcab088bf68dc7d8f1532fee44e549 |
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font_01_sfnt_off00006609.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6609 | 5508 bytes |
SHA-256: 102d0fa748e907acdaebba5e53ee77f1f8ead8da0f89dddab901a45c9b71c92e |
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font_02_sfnt_off00007898.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7898 | 2116 bytes |
SHA-256: 1f756b46481ac718095810e133e155ec1caf818687d25c20e8b002f727d713c7 |
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font_03_sfnt_off00008244.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8244 | 13656 bytes |
SHA-256: b35e9407555c29a48c4f4ed57c14ba16eb410d6654c4ad036d8390d27949ba7b |
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