MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass of external links, many of which point to redirector infrastructure. The primary link, 'https://ttraff.cc/wb?keyword=classical%20piano%20sheet%20music%20for%20intermediate%20pdf', is a known malicious redirector. The document body also contains a visual download button lure, reinforcing the malicious intent of directing users to external, potentially harmful, content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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.cc/wb?keyword=classical%20piano%20sheet%20music%20for%20intermediate%20pdf In PDF document text
- http://files.scribbledscratch.com/uploads/1/3/1/8/131856071/3861211.pdfIn PDF document text
- http://files.honesthomeinspector.com/uploads/1/3/1/4/131437233/xodifajer.pdfIn PDF document text
- http://files.galacticexpo.com/uploads/1/3/1/4/131453332/sagesotivedenes_xexasipo.pdfIn PDF document text
- http://files.hscisteacher.com/uploads/1/3/0/7/130739895/felijilaborela.pdfIn PDF document text
- http://files.lindalgraham.com/uploads/1/3/1/4/131455283/7d86161771d526.pdfIn PDF document text
- http://files.tinagutierrezartsphotography.com/uploads/1/3/0/7/130775383/remax-taxopugazaledu-fuluxibejurifuj-lavosiraleset.pdfIn PDF document text
- http://files.spotlightcoachingdc.com/uploads/1/3/0/7/130740090/newazow.pdfIn PDF document text
- http://files.ashboogey.com/uploads/1/3/0/7/130776266/95775e5a11984ff.pdfIn PDF document text
- http://files.100womensalinasmonterey.com/uploads/1/3/2/7/132740181/bf9c0dad9fc23b5.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://lidobiwugam.files.wordpress.com/2020/07/debatomubumisud.pdfIn PDF document text
- https://safowazebafo.files.wordpress.com/2020/07/54864409117.pdfIn PDF document text
- https://zejuguguma.files.wordpress.com/2020/07/galeponanegupoxelusaxo.pdfIn PDF document text
- https://wadubol.files.wordpress.com/2020/07/dunotutup.pdfIn PDF document text
- https://tegedow.files.wordpress.com/2020/07/zitem.pdfIn PDF document text
- https://kozoribudos.files.wordpress.com/2020/06/zowokew.pdfIn PDF document text
- https://leridopezeso.files.wordpress.com/2020/06/nasakekabikuwamitajab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/garul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/doworefobose.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/72890356131.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mejamuzeditika.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/35022180152.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/jenodilibaxu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/46391305542.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_off00006bb4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6BB4 | 5300 bytes |
SHA-256: c84e3a5588c705f1c81109ea736f1de212c5073c07034354b1a64174b66d89a0 |
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font_01_sfnt_off00007d80.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D80 | 10436 bytes |
SHA-256: dc27b34b3dd6473d7e84a1d938e3456e797df77c71f17912ef64c6bf2d636c97 |
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