MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many of which point to a redirector service that is known to host malicious content. The document body, though heavily obfuscated, contains text suggesting a lure related to a 'commercial music fake book pdf'. The ML classifier strongly indicates maliciousness, and the presence of redirector links points towards 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.cc/wb?keyword=the%20commercial%20music%20fake%20book%20pdf In PDF document text
- http://files.developmentechnwkllc.com/uploads/1/3/0/8/130874064/soriz-digebud.pdfIn PDF document text
- http://files.eguastella.com/uploads/1/3/1/8/131871690/4656610.pdfIn PDF document text
- http://files.dandlpring.com/uploads/1/3/0/7/130740018/f6ebf49e085.pdfIn PDF document text
- http://files.craftsbywayne.com/uploads/1/3/0/7/130739726/vibemibegusat_gexemupibezeg_fabotujosalidus_xalilifuzoxokeg.pdfIn PDF document text
- http://files.khemkhon.com/uploads/1/3/1/0/131070618/junogilaril.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/1/0430/9018/2304/files/57319858027.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5698/8317/files/89121279047.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8575/8617/files/jejuj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/54440827626.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7220/0608/files/nuwop.pdfIn PDF document text
- https://dagirufux.files.wordpress.com/2020/07/ziwudir.pdfIn PDF document text
- https://vetijem.files.wordpress.com/2020/07/75530809156.pdfIn PDF document text
- https://mijudabebog.files.wordpress.com/2020/07/50381764276.pdfIn PDF document text
- https://watodel.files.wordpress.com/2020/06/25871293314.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/lafiku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2987/3318/files/rirozute.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/95509007145.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/96989945255.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xogasetixudaxaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/64989875230.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_off000091d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x91D9 | 5244 bytes |
SHA-256: 6a0a555a2881a4c724b972b2e2cd5c0334eff3738010ae717b871c78dcff53d3 |
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font_01_sfnt_off0000a395.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA395 | 10208 bytes |
SHA-256: 3c1e72ff7ad9f319be7ceef9d47459856c8dc5ba03139a2d0da3179174366af4 |
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