MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains numerous embedded links, many of which point to a redirector service known for malicious activity. The document body, though heavily obfuscated, contains a URL that appears to be part of a SEO link farm designed to lure users with seemingly legitimate content. The primary malicious URL identified is https://ttraff.ru/pify?keyword=bwv+1007+violin+pdf, which is flagged as a malicious redirector.
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.ru/pify?keyword=bwv+1007+violin+pdf In PDF document text
- http://files.peaceoffaith.net/uploads/1/3/0/8/130813042/pizaw.pdfIn PDF document text
- http://files.visionworksmultimedia.com/uploads/1/3/1/3/131379183/mivenuzigufogoweb.pdfIn PDF document text
- http://files.nimehime.com/uploads/1/3/1/3/131379353/zolebonojobatano.pdfIn PDF document text
- http://kagabamid.waxent.com.au/uploads/1/3/1/8/131871699/5767512.pdfIn PDF document text
- http://files.vanvliet-kassenbouw.nl/uploads/1/3/1/4/131483097/mosozojejo_zazeletexo.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/1/0427/4028/5607/files/29915329964.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3147/7922/files/61175448966.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3264/9636/files/income_tax_amendments_in_budget_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3171/5225/files/95956636880.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8751/2220/files/job_vocabulary_esl.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8589/7627/files/xerezolisesu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8494/6333/files/articles_worksheet_4th_grade.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/8861538602.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2482/6014/files/wetuzubunowiwubuza.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6204/2532/files/zapinimisotunisa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4306/0901/files/yu-_gi-_oh_5ds_episodes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6067/4198/files/sagurexa.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_off00008ec2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8EC2 | 5024 bytes |
SHA-256: b06098e52e6f4e48991d033c0b9a5faad99dba00c09f83db5c519bc940aa85eb |
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font_01_sfnt_off0000a023.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA023 | 10120 bytes |
SHA-256: bcc8c66be1fa93f329f1507a2eb8241b39f3910392fe8ba461c3b83a9f287806 |
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font_02_sfnt_off0000c303.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC303 | 16120 bytes |
SHA-256: fb7b45e24c28c4473d0ca1c6410c593992d9a809009f9c41b5ae32c9142507dd |
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