MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple heuristics indicating it is a malicious redirector, including links to known malicious infrastructure and a link farm designed for SEO manipulation. The document body, though heavily obfuscated, contains a URL that points to a redirector, which in turn likely leads to a malicious payload or phishing page. The presence of numerous links suggests an attempt to distribute content or lead users to a compromised site.
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.link/wix?keyword=blank+sheet+music+a4 In 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/1/0427/7328/2983/files/gajaduvemugupiron.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9350/7737/files/coffee_grinder_manual_nz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1994/3579/files/5747784252.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5189/2381/files/sample_abstract_chemistry_lab_report.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2935/4903/files/21482942104.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/44994208471.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3748/2405/files/79528156383.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/3955/9578/files/lokosigakesukes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0465/2515/3430/files/70612189497.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5013/8784/files/html_to_converter_open_source.pdfIn PDF document text
- https://static.usrfiles.com/ugd/c0b427_c8229eb8be1e44c6a927f61e9903f725.pdfIn PDF document text
- https://static.usrfiles.com/ugd/d7ba0f_848244b19ddd45028ceef97a473ef7e0.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_451a9e4708e1493eac691ea5b6dd5fdf.pdfIn PDF document text
- https://static.usrfiles.com/ugd/22bf55_fbe937d1ef5145c39f39f98a26a5447f.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000062ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62EF | 6648 bytes |
SHA-256: fb2948cd82ee9e21e92b184d2602bfd31c1d8a5ee934155d56ac5ceecb72d2f4 |
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font_01_sfnt_off00007367.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7367 | 5144 bytes |
SHA-256: 9124b72a92a1d09bb07944cb802339daa2c9fcf54a052063c3fc446b084dd502 |
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font_02_sfnt_off000084ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x84CA | 10352 bytes |
SHA-256: db135abc7a7c1fdee8cb6b1ba790c0a63f016ac92234dd8cd3fcdb3fd9715b38 |
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