MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of links to external PDFs, many of which point to redirector infrastructure. The primary redirector URL is https://ttraff.ru/wb?keyword=bring%20it%20on%20home%20to%20me%20sheet%20music%20pdf, which is flagged as malicious. This indicates a phishing or scam attempt using a link farm to distribute malicious content. No scripts were extracted, but the PDF structure itself facilitates the malicious redirection.
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/wb?keyword=bring%20it%20on%20home%20to%20me%20sheet%20music%20pdf In PDF document text
- http://files.stjohnsuccfogelsville.com/uploads/1/3/1/6/131637385/3395888e2228.pdfIn PDF document text
- http://files.cacmun41.org/uploads/1/3/1/4/131453536/figubozipamot.pdfIn PDF document text
- http://files.handyvillage.com/uploads/1/3/1/4/131483662/39067632e9f7.pdfIn PDF document text
- http://files.southerntackleworksfl.com/uploads/1/3/1/4/131437491/jipet.pdfIn PDF document text
- http://files.estruckmuller.eu/uploads/1/3/1/8/131872054/39f078b34805cd.pdfIn PDF document text
- http://files.geographypods.com/uploads/1/3/1/4/131453241/bepimumewemoxetex.pdfIn PDF document text
- http://files.maypalacevail.net/uploads/1/3/1/3/131398251/zaludok.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://lakuvipejuz106751964.files.wordpress.com/2020/07/wagawigolarafesupum.pdfIn PDF document text
- https://zimekenasof.files.wordpress.com/2020/07/74951816693.pdfIn PDF document text
- https://jiledudosiso.files.wordpress.com/2020/06/nevutokuna.pdfIn PDF document text
- https://daritawaba.files.wordpress.com/2020/07/31985394358.pdfIn PDF document text
- https://xebodizaz.files.wordpress.com/2020/07/25913399065.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2885/7503/files/9337731806.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5082/7929/files/novimagijufanul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/75877947267.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tokon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/69262577592.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5804/4823/files/84133024411.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0047/1456/files/rexenokewazejadado.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3826/8830/files/xigidedukafoxodigepi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7077/4693/files/remudobuvag.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_off00005edf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5EDF | 5260 bytes |
SHA-256: 6bf314f19258bd9dea06125379c0db3f618a6f46759c8df4af160e7ee8644f3e |
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font_01_sfnt_off00007097.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7097 | 10264 bytes |
SHA-256: 72eecb5d3a7b1e91856e614f1c6db4c29742770ccf358289c4004e19258417f7 |
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