MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains numerous links to external PDF files, suggesting a link farm or SEO manipulation tactic. One prominent URL, 'https://ttraff.com/wb?keyword=rubik%20cube%20solution%20pdf%20download', appears to be a redirector, likely leading users to malicious content or phishing pages. The ML classifier strongly indicated maliciousness, supporting the interpretation of these links as part of a malicious campaign.
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=rubik%20cube%20solution%20pdf%20download In PDF document text
- http://files.justjig.com/uploads/1/3/1/3/131398253/05fa5.pdfIn PDF document text
- http://files.lauraswinkfineart.com/uploads/1/3/0/9/130969553/nadogawu.pdfIn PDF document text
- http://files.extremeglamhair.com/uploads/1/3/2/6/132695273/37792b92ec.pdfIn PDF document text
- http://files.businessbcs.com/uploads/1/3/2/7/132740343/e9c81eaa854.pdfIn PDF document text
- http://files.williammonaguenativeart.com/uploads/1/3/0/7/130739747/vunidegote.pdfIn PDF document text
- http://files.poehaku.com/uploads/1/3/1/6/131607239/ab7f23f.pdfIn PDF document text
- http://files.strategieswork.com/uploads/1/3/1/4/131454304/0395b4b5c.pdfIn PDF document text
- http://files.anindodeyphotography.com/uploads/1/3/0/9/130969514/631f07bd72fe5.pdfIn PDF document text
- http://files.gardenspotrentals.net/uploads/1/3/2/6/132681938/finefenusavat.pdfIn PDF document text
- http://files.frenchkidz.com/uploads/1/3/1/6/131606201/1b03cbad6ca546.pdfIn PDF document text
- http://files.foodloveblog.com/uploads/1/3/1/3/131380868/vosirijofa.pdfIn PDF document text
- http://files.ksweducationalconcepts.com/uploads/1/3/0/7/130775603/6264739.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://xelibexe.files.wordpress.com/2020/06/rinipomupodizududib.pdfIn PDF document text
- https://botemep98974298.files.wordpress.com/2020/06/dudof.pdfIn PDF document text
- https://fexoposikin.files.wordpress.com/2020/07/96856811998.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/65817182127.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/ganisififado.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wifufokamavobopizevotug.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/32732230761.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/93867881616.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wanojexabe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/19490865332.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_off0000590e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x590E | 5236 bytes |
SHA-256: 24da516dec2a00c204c55319d5943f903e4bb13bafc6eeeac923b08313898244 |
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font_01_sfnt_off00006afc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6AFC | 10088 bytes |
SHA-256: 44fd8e26097498168663c8d560d04cd3a44b04175739d39383119e5fe247ffc3 |
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