MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, a common tactic for SEO spam and phishing. One critical heuristic identified a link to a known malicious redirector at 'https://ttraff.cc/wb?keyword=order%20statistics%20joint%20pdf'. The document body, though heavily obfuscated, also contains this URL and other links pointing to external PDF files, suggesting a link farm or redirection scheme. The ML classifier strongly supports the malicious verdict.
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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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=order%20statistics%20joint%20pdf In PDF document text
- http://files.duanebrownlaw.com/uploads/1/3/1/4/131483253/2887604.pdfIn PDF document text
- http://files.bondbailbonds.com/uploads/1/3/0/8/130814342/338a7897e32.pdfIn PDF document text
- http://files.kingfisherpbs.org/uploads/1/3/2/6/132681602/fbc377f49.pdfIn PDF document text
- http://files.thedressdivaonline.com/uploads/1/3/1/4/131437832/desidup-zuwopem-xekewuvoxobif.pdfIn PDF document text
- http://files.karaikudivoyage.us/uploads/1/3/0/9/130969427/setizazon_ragali.pdfIn PDF document text
- http://files.godswaytshirts.com/uploads/1/3/2/3/132302815/7c24d7928c8eda5.pdfIn PDF document text
- http://files.laucandrique-en.com/uploads/1/3/1/6/131606619/9202608.pdfIn PDF document text
- http://files.maraudersamstaffs.com/uploads/1/3/1/3/131384583/betevezusutejunubusu.pdfIn PDF document text
- http://files.authorrebeccaarogers.com/uploads/1/3/1/6/131637034/wakobobo_jujorufaxeso_puxul.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://vumutigul570287057.files.wordpress.com/2020/06/6015183049.pdfIn PDF document text
- https://bigovabazo.files.wordpress.com/2020/06/fomedezexak.pdfIn PDF document text
- https://rejukuvis.files.wordpress.com/2020/06/moraf.pdfIn PDF document text
- https://devuwawojari.files.wordpress.com/2020/07/96830461780.pdfIn PDF document text
- https://telezeguraka.files.wordpress.com/2020/06/kebinojapujurafarete.pdfIn PDF document text
- https://vigafekiwi.files.wordpress.com/2020/07/mitopusalixogokezoto.pdfIn PDF document text
- https://sobetolav.files.wordpress.com/2020/06/birupitosegima.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rofan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bijuwosozawubuvenokuzi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/13977390730.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008b55.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8B55 | 5008 bytes |
SHA-256: 4a716b180d0f12b816e8a6043b6cd88b81b61394393ab7251b76334511c52a53 |
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font_01_sfnt_off00009c6c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9C6C | 16972 bytes |
SHA-256: 5a4b0634151f97cc15f51f9d560fa6b1db1ed207ba567dcbdfa417b482878bae |
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font_02_sfnt_off0000d17e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD17E | 16204 bytes |
SHA-256: 32c80f323022e1ff67022c53ea7461d927fbe374988e3a3732005ad066018c71 |
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