MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious File
The PDF document contains a lure to install a browser extension or update, a common social-engineering tactic for malware installation or credential theft. It embeds multiple links, including one to a known malicious redirector infrastructure at 'https://ttraff.ru/pify?keyword=chrome+addons+apk', which is likely used to serve the malicious payload. The ML classifier also strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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.ru/pify?keyword=chrome+addons+apk In PDF document text
- http://vemigafa.kirstenboydarts.com/uploads/1/3/1/4/131437423/tevaxem_kubafulaz_gataso_zekafonazit.pdfIn PDF document text
- http://wamitit.oldcutband.com/uploads/1/3/1/1/131164250/04945.pdfIn PDF document text
- http://files.paperchasewholesale.com/uploads/1/3/1/4/131407369/225519.pdfIn PDF document text
- http://files.kashisafaris.com/uploads/1/3/0/7/130738620/fexedinidok_gizepewuz.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/1/0434/1628/9447/files/98568321809.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3694/1215/files/nejinogigusuz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1734/5944/files/najemekawosa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3539/2150/files/cantatrice_chauve.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5693/8664/files/nagogozetefuwezabanutinot.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4329/9232/files/43708322395.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/76102764406.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4768/2201/files/24634459035.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7562/4355/files/jefedifajinofixise.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7003/7917/files/tusij.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6363/1272/files/77729203312.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6385/9617/files/download_adobe_reader_untuk_pc.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7142/2102/files/generative_adversarial_networks_with_python_jason_brownlee.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/0112/4760/files/bigorunali.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_off000060c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x60C1 | 5136 bytes |
SHA-256: 088275ff45b692d56d38d47894ed1cff9394d6a8a2aad2b24d54fd544e264dea |
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font_01_sfnt_off00007209.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7209 | 10828 bytes |
SHA-256: 444e591828dca405934e020af2cfffbb953821b51646dc2e4cb714f3cf0de04f |
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