MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.ru/pify?keyword=airfoil+license+key'. Additionally, it exhibits a PDF link farm pattern, with many links pointing to Shopify domains, one of which is also listed as an IOC. The presence of a visual download button lure further supports the malicious intent of redirecting the user to a potentially harmful site.
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=airfoil+license+key In PDF document text
- http://files.shelterreform.org/uploads/1/3/1/4/131453109/65fe6415658d8.pdfIn PDF document text
- http://files.yogitreewellbeing.com/uploads/1/3/1/6/131636745/fotej.pdfIn PDF document text
- http://files.iamstronglikemom.com/uploads/1/3/1/3/131382092/jikekiv-gonimiv-gositoxego.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/1/0440/3855/3765/files/digital_design_frank_vahid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5259/6374/files/vitifunalodoratabawe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2155/0247/files/82093966514.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2224/4250/files/24289510372.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7342/8888/files/ziriwovabovaduvelipilux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7555/7793/files/1016648578.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8693/0329/files/kawivitubanonulopusomiwuw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3319/7718/files/xabibarofonofa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9431/9009/files/28476597159.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5285/0586/files/99666592961.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5975/7727/files/34002610353.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2564/5211/files/85795647587.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1539/7788/files/79615926272.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8360/3876/files/mubivugexasuwetulativete.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_off0000636f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x636F | 4820 bytes |
SHA-256: 06389f42934c7f13de46654fca59bf2323724190612b899a3ec6a94a567dc663 |
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font_01_sfnt_off000073f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73F7 | 11996 bytes |
SHA-256: be35bc6bb6bd0adb7de8f4ef92d8fee384605c210d0ca514ffc34502f0d9470a |
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