MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to external resources. One critical heuristic indicates that the PDF links to known malicious redirector infrastructure, specifically 'https://ttraff.cc/wb?keyword=minnesota%20vikings%202019%20schedule%20pdf'. The document body, though heavily obfuscated, also contains this URL, suggesting an attempt to lure the user to a malicious site. The ML classifier strongly flagged this PDF as malicious.
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=minnesota%20vikings%202019%20schedule%20pdf In PDF document text
- http://tidusu.bowensminifarm.com/uploads/1/3/1/3/131383309/xozubelabowiteb-mavilo-zuxekamila.pdfIn PDF document text
- http://saxuwu.initiatives.com.hk/uploads/1/3/2/6/132681670/6355313.pdfIn PDF document text
- http://files.saidbysydney.com/uploads/1/3/1/0/131070330/020a95e9bed524.pdfIn PDF document text
- http://files.katewestcott.com/uploads/1/3/0/9/130970003/fubepililovop_zutunup_jimon.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/1/0428/5169/6796/files/sacrificial_anode_cathodic_protection.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5900/4070/files/lyme_disease_nhs.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2942/2499/files/39004909373.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5433/3093/files/20887713023.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9145/2314/files/33372632962.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7541/9798/files/xipeligivunawuzow.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zobirunutopuwipigodilig.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3139/6501/files/79959345819.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8976/5276/files/rotuva.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/1867/1512/files/gmod_gore_mod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/surorut.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4164/3928/files/angularjs_session_management.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0744/1053/files/pacific_fitness_home_gym.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8870/6717/files/capacitores_dielectricos.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_off00008997.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8997 | 5932 bytes |
SHA-256: 6394fd14dbbb9ba272f7b674d64945a9f5a8ea18bea03474f1047a16fac65394 |
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font_01_sfnt_off00009de0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9DE0 | 15296 bytes |
SHA-256: 215031159e31d6c051aa715a3451a6168453b2c23612e55ccc97e95b91fa98e3 |
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