MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
T1566.002 Spearphishing Attachment
T1071.001 Web Protocols
The PDF file contains a large number of embedded links, many pointing to Shopify-hosted PDFs, which is indicative of a link farm. One critical heuristic identified a malicious redirector link, https://ttraff.cc/pify?keyword=m2ts+to+mp4, suggesting a social engineering lure to trick users into downloading further malicious content or visiting malicious sites. The document body also contains text related to file conversion, potentially as a pretext for the malicious links. The presence of a browser extension installation lure further supports the social engineering aspect.
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=m2ts+to+mp4 In PDF document text
- http://files.clearlakedebate.org/uploads/1/3/1/3/131380171/1038f86.pdfIn PDF document text
- http://files.westburnsvalleysolar.com/uploads/1/3/2/6/132683330/zewujo.pdfIn PDF document text
- http://files.2012junobeachpdtourtribute.com/uploads/1/3/1/6/131636843/zufokerofeta.pdfIn PDF document text
- http://files.amillennialstory.com/uploads/1/3/1/1/131164100/lelevuzeka.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/1/0438/5685/5190/files/91871477605.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3311/6317/files/8327475654.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tivaluzisezulumavolo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8670/8885/files/momexegezeb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2214/0063/files/pafevunusipavedopase.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0876/1751/files/dilizusazevipuge.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3518/1734/files/fijajokiwilega.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/89352644259.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8684/7903/files/zutimuxatefotafis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/5397/9550/files/346358411.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7283/8039/files/beves.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_off000063b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63B2 | 4852 bytes |
SHA-256: fdaf1a1c78acd0c75d58f92f47ef83f429c19a8dacb1acf5e918e831d220481e |
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font_01_sfnt_off0000743b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x743B | 10032 bytes |
SHA-256: 53b94b751b7e7230d703649966f6d5a60170991ba6c9b90418398ef6ab54582f |
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