MALICIOUS
274
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
T1059.001 PowerShell
The PDF contains a lure suggesting the user needs to install a browser extension or update to view content, which is a common social-engineering tactic. It also contains a link to a redirector, https://ttraff.com/pify?keyword=bwv+1001+violin+pdf, which is known to lead to malicious infrastructure. The document also features a large number of external links, many hosted on Shopify, likely as part of an SEO link farm to improve search engine ranking for malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 7
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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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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=bwv+1001+violin+pdf In PDF document text
- http://files.wintercreekwildlifeartunlimited.com/uploads/1/3/1/4/131437725/9114791.pdfIn PDF document text
- http://files.newmusicsocial.com/uploads/1/3/1/3/131379552/2909752.pdfIn PDF document text
- http://poxosom.barecovearts.com/uploads/1/3/2/7/132712615/6f3a632.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/1/0432/5310/4790/files/15484350375.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4121/6917/files/wikidumibemabizam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2826/6654/files/62791148147.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xuvekalododit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2216/1832/files/sikituzevakobebonetavob.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7506/7297/files/89741647979.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6085/3912/files/96707600288.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/3272/1046/files/65160278509.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5524/2655/files/rizojegipimotowelek.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_off00004b4b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4B4B | 4948 bytes |
SHA-256: 60a1427e3be392526be0ce7e56952803a8adf8b2684ad9c74ea605f79e637537 |
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font_01_sfnt_off00005c5f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C5F | 9880 bytes |
SHA-256: 5616b4e2eaea58d742c2e2eec4eebd1db84ce8baeb32d07462d902e04398b99e |
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