MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple embedded links, including one pointing to a known malicious redirector infrastructure at 'https://ttraff.com/pify?keyword=concerto+in+d+minor+for+two+violins+pdf'. This URL is presented as a search result for a musical score, suggesting a lure for phishing or malware download. The ML classifier strongly flagged this PDF as malicious, and the presence of numerous SEO-optimized links further indicates malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
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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=concerto+in+d+minor+for+two+violins+pdf In PDF document text
- http://files.tghair.co/uploads/1/3/0/9/130969440/desekesulebone.pdfIn PDF document text
- http://files.kvag.net/uploads/1/3/1/3/131380263/cb8d7f.pdfIn PDF document text
- http://bojak.thefreedominsimple.com/uploads/1/3/1/8/131871871/86714aa.pdfIn PDF document text
- http://files.evergreenmeditations.org/uploads/1/3/0/8/130815009/864341248fdc.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/1/0437/7283/8039/files/fidetasujaf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3681/0152/files/wemelagetujudaxabipul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0804/8808/files/ashby_materials_selection_in_mechanical_design_4th.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2207/2480/files/imagine_dragons_night_visions_songs.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8375/9765/files/36427142602.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2640/7833/files/bizeruluwezakizulis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5901/9933/files/xovigirojetupar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/moxudenolaruxorurafugi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5187/5481/files/sistema_bethesda_tiroides.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3489/3718/files/iicrc_s500_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4978/7285/files/axis_bank_net_banking_application_form.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5208/1053/files/99259458164.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5621/7750/files/14575839570.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_off00005fb3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FB3 | 5148 bytes |
SHA-256: a288d47cc35b535299c3b8bd98051d2e6d54ca5a72022df98fc8749744153ba1 |
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font_01_sfnt_off00007131.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7131 | 2060 bytes |
SHA-256: 6e9c2225690a294e4d6e366e768ddc3c6fb43e152ccb516d6bcc7b5d919d3d7e |
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font_02_sfnt_off00007ada.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7ADA | 10420 bytes |
SHA-256: c889e9ee79b5969574057e05e56d4d2009c0bee33b3cd6f9b6f93948840d9887 |
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