MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm designed to appear as a "Beginner piano book for adults pdf" to lure users. The primary malicious link, https://ttraff.ru/pify?keyword=beginner+piano+book+for+adults+pdf, redirects to further infrastructure. The ML classifier strongly indicated maliciousness, and the presence of numerous embedded URLs supports a social engineering attack.
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=beginner+piano+book+for+adults+pdf In PDF document text
- http://zupifut.kirbyonpolitics.com/uploads/1/3/0/8/130813420/5709993.pdfIn PDF document text
- http://files.luminoushealingtouch.com/uploads/1/3/1/3/131383892/1189979.pdfIn PDF document text
- http://files.escaperoomelectronics.com/uploads/1/3/1/6/131606807/bumexupa.pdfIn PDF document text
- http://jigixoren.caylarsamano.com/uploads/1/3/1/4/131453267/9d58dc0f7c1.pdfIn PDF document text
- http://files.hrv4training.com/uploads/1/3/2/3/132302718/napus.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/1/0428/9835/8432/files/nojigepinipefonumupitos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3658/0759/files/zusiwisafabemakakezajoma.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5254/5701/files/20505783767.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8646/2628/files/90962896586.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1850/0765/files/nekijep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6997/2384/files/zurujikozekigisid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2358/8773/files/44959067035.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1392/3228/files/dedosegivuvutoxenumu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6639/9647/files/jorikus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/23158701460.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8471/7979/files/67513010126.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/volobufepafolosovi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2567/7982/files/22754037663.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8154/7428/files/public_finance_notes.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_off00006efa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6EFA | 5464 bytes |
SHA-256: 5ea37b4d35b254124107ccdf7c371dabc3eb02360a905837a284e1faab6ec75f |
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font_01_sfnt_off0000819f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x819F | 10024 bytes |
SHA-256: 2558911bc8ace867ccad6164acf0632fc422802ae1d68d2157f4e8590d0ef3d1 |
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