MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many of which point to a redirector service that appears to be part of an SEO link farm. The primary redirector URL is https://ttraff.com/wb?keyword=pop%20songs%20easy%20piano%20sheet%20music%20pdf, which likely serves as a lure for users searching for specific content. The ML classifier strongly indicated maliciousness, and the presence of a malicious redirector confirms a phishing or scam attempt.
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.com/wb?keyword=pop%20songs%20easy%20piano%20sheet%20music%20pdf In PDF document text
- http://files.omshantiyogaspain.com/uploads/1/3/0/7/130775734/e32a40831b.pdfIn PDF document text
- http://files.pursanovawater.com/uploads/1/3/0/7/130738751/poxevilapuxose.pdfIn PDF document text
- http://files.lindavanderheyden.com/uploads/1/3/1/3/131398457/8bdafe.pdfIn PDF document text
- http://files.jnsbrumc.org/uploads/1/3/1/8/131856173/fojepagude.pdfIn PDF document text
- https:///musescore.com/groups/omoak/discuss/5072689,��������:url-https:////musescore.com/groups/omoak/discuss/5072689,��������:url-https:///musescore.com/groups/omoak/discuss/5072689,��������:url-https:///musescore.com/groups/omoak/discuss/5072689,��������:musescore.com/user/4533721/sets/5104416In 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/1/0435/3431/9776/files/44414506237.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5239/9777/files/kubaxonepobotolosif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4315/1272/files/jonuxumalazamasibagat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/6881/5528/files/warframe_synthesis_target_locations.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9931/5619/files/89568573057.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4492/0734/files/pagomupukapuw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1796/0600/files/4498180712.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8649/5396/files/novevefenuture.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7997/5591/files/lavewizibokovosep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3201/0152/files/un_behindertenrechtskonvention_deutschland.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0446/7536/7065/files/factorio_blue_science_blueprint.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000617b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x617B | 5544 bytes |
SHA-256: a73335571d10cc38c741a92bf0f7d8a4d0bc1eebfa9f3b3d926d46eb7c3822f6 |
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font_01_sfnt_off0000743c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x743C | 2476 bytes |
SHA-256: 6de55477c25980846f6c3b395330e9a846f39f6f2ca7dcb27c1603d76948ffd4 |
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font_02_sfnt_off00007f12.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F12 | 14720 bytes |
SHA-256: abd5368cb3ee059b2b91a7b22825f0af9ededb6cc9205b13e5fc5aaf8697034f |
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font_03_sfnt_off0000ae12.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE12 | 16204 bytes |
SHA-256: 6ff35bbcdef839a823e086214e5d609f702bf6b4484614f6c4b824d32b7fcc76 |
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