MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 User Execution: Malicious File
T1059.001 PowerShell
The PDF contains a link that redirects to a known malicious URL, disguised with a keyword related to video content. It also exhibits characteristics of a PDF link farm, with numerous links pointing to external resources, many hosted on Shopify. The heuristic 'SE_BROWSER_INSTALL_LURE' indicates the document's content is designed to trick the user into installing something, likely a malicious browser extension or update, to facilitate further compromise.
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=video+from+vimeo+chrome In PDF document text
- http://files.lonelydoggallery.com/uploads/1/3/0/9/130969710/431636b5.pdfIn PDF document text
- http://files.johannesburgwildlifevet.com/uploads/1/3/0/7/130776254/nobawugizijulesiw.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0434/4987/6630/files/rezaredefelejup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1061/2644/files/77366300751.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5866/7430/files/informatica_tutorial.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3265/8588/files/basic_english_lesson_plan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6462/2246/files/28491887976.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9740/7126/files/matakawebo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8113/0394/files/31082156618.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5794/6519/files/color_blind_test.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4742/0066/files/16524162532.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2549/6221/files/sales_forecast_template_google_sheets.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0461/4825/5907/files/lezokituvazazuzera.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4388/9058/files/xajutimirupexuzapom.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/8601/5640/files/jemediwulodutavozuka.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006bc2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6BC2 | 4468 bytes |
SHA-256: 800549d06157dfd7e3291537c82c8922f32c8501665c7bc5a40678ab53875124 |
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font_01_sfnt_off00007aea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AEA | 10064 bytes |
SHA-256: 2a9645b17c116ff36721e90485bdf80df0dfaab544bc80f8481017157a3a02dd |
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font_02_sfnt_off00009d96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9D96 | 16388 bytes |
SHA-256: 534e44c921e8acb9c8e993207df297c85ca6c672af4c6174c05b3ca24a170572 |
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font_03_sfnt_off0000b321.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB321 | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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