MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/pify?keyword=turn+off+notification+android+code'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, many hosted on Shopify. The document body, though heavily obfuscated, contains text suggesting a lure to 'Turn off notification android code' and includes the malicious redirector URL and several Shopify URLs. The 'SE_BROWSER_INSTALL_LURE' heuristic indicates the document's intent is to trick the user into installing something, likely to facilitate further malicious activity.
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=turn+off+notification+android+code In PDF document text
- http://files.lifeislikevegetables.com/uploads/1/3/1/3/131384281/lidiki-pumumaborulenuk.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/1/0427/6387/8566/files/29707787208.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1572/4456/files/zabisojanejivotuwale.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6375/4404/files/sleep_hygiene_worksheet_in_spanish.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3432/0794/files/angular_cli_commands_cheat_sheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6966/1589/files/bimosum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2124/6359/files/16828113167.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8344/5925/files/statistical_formulas_in_excel_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9940/5977/files/13757423021.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3027/3448/files/uphall_primary_school_west_lothian_inspection_report.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/9408/7582/files/68326638853.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7652/7014/files/lorawomemipawoxazol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4451/1645/files/lumiwi.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_off00006973.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6973 | 4752 bytes |
SHA-256: 0af90d0fd79b9704c3eacdfff0b760a4c221a5ffb1487d4c3b1018461843b4dd |
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font_01_sfnt_off000079a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79A7 | 10016 bytes |
SHA-256: 172e0ef15ec08cee690ed045c53793c2930e50babac440fc09f0e1ee8ec54497 |
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