MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
T1059.001 PowerShell
The PDF file contains multiple embedded links, with one identified as a malicious redirector. The document body text, though partially corrupted, suggests a lure for a 'free bracket generator'. The heuristic 'SE_BROWSER_INSTALL_LURE' further indicates a social-engineering tactic to trick users into installing unwanted software or visiting malicious sites. The presence of numerous PDF links, many hosted on Shopify, points to a link farm strategy to obscure the ultimate destination.
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.cc/pify?keyword=free+bracket+generator In PDF document text
- http://files.maxeyshouse.com/uploads/1/3/1/3/131379054/cb379f8818.pdfIn PDF document text
- http://files.volusiairlcoalition.org/uploads/1/3/1/3/131380842/dokufokovagit-fibimakatikupel.pdfIn PDF document text
- http://files.hustlinhawkbands.com/uploads/1/3/1/0/131070374/masetimevul_zasoma_bevumipen.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/1/0427/4782/2236/files/gukaratomovije.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2684/9700/files/84312558653.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9090/1144/files/21173373331.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1384/7714/files/jemewajepidin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5314/6517/files/73846350152.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7108/6485/files/zixupiwegi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3532/0735/files/67718907016.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9243/5359/files/jutugolixowalabazet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/1204107997.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5005/0460/files/37449292706.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9726/8128/files/gudepewupetotudobam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2004/1886/files/60617540236.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7180/7391/files/28967935158.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1708/3803/files/19541055724.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_off00006088.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6088 | 4916 bytes |
SHA-256: 98937369e899592e390ff19cb4438c970c17c3ff8c6111a66a7ca14bac89c28e |
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font_01_sfnt_off0000715c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x715C | 10156 bytes |
SHA-256: 6a5a0e9028d016e76f26c262426e3cae925518e41e2217dfa89fe846d08ba3e0 |
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