MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF file contains a heuristic firing for a malicious redirector link, which is the primary indicator of malicious intent. The document body, though heavily obfuscated, contains text suggesting it is a manual for 'Rdworks v8', likely a lure to encourage clicks on the embedded malicious URL. The file also contains a large number of embedded links, many pointing to WordPress sites, which is characteristic of SEO link farm techniques used to obscure malicious destinations.
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=rdworks%20v8%20manual In PDF document text
- http://files.monarchgard.com/uploads/1/3/2/8/132814942/4318787.pdfIn PDF document text
- http://files.csnobcs.org/uploads/1/3/1/4/131452806/c9c3257b.pdfIn PDF document text
- http://files.eileenenwrighthodgetts.com/uploads/1/3/1/8/131857476/vefosojexuj.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://lakezusegaza.files.wordpress.com/2020/07/musavij.pdfIn PDF document text
- https://keligorages.files.wordpress.com/2020/07/70891159602.pdfIn PDF document text
- https://gijoponalip.files.wordpress.com/2020/06/30989002467.pdfIn PDF document text
- https://lezuvovefoga.files.wordpress.com/2020/06/40139907333.pdfIn PDF document text
- https://fububoxoludi.files.wordpress.com/2020/06/57635497726.pdfIn PDF document text
- https://morixumudiba.files.wordpress.com/2020/06/10201362900.pdfIn PDF document text
- https://nebosevali.files.wordpress.com/2020/07/joneletukafij.pdfIn PDF document text
- https://nifefuv.files.wordpress.com/2020/07/49889369361.pdfIn PDF document text
- https://xuridugeduna.files.wordpress.com/2020/07/vojam.pdfIn PDF document text
- https://sokoxoxuze49931159.files.wordpress.com/2020/07/9348549723.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1076/8546/files/vamuvupefu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0178/1156/files/54383715566.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3630/3782/files/75880660380.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1097/2056/files/kitekutenabuparad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kosetomamevisired.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2390/8520/files/digadetij.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gofusibosaduxigagixuvoma.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_off000059a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x59A4 | 5024 bytes |
SHA-256: 04eb325cd7b214dae55f0b5b9885acb70ef01045e9b72020d65c9974cddd2976 |
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font_01_sfnt_off00006aa0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6AA0 | 9428 bytes |
SHA-256: 07df591c986b260676badd40d3cfd453b9505e520063540917715fd6d1ad6181 |
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