MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple embedded links, including one pointing to a known malicious redirector at 'ttraff.cc'. The document body and heuristics suggest this is part of an SEO link farm or phishing campaign designed to lure victims with a seemingly innocuous PDF title. The ML classifier strongly indicates maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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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/wb?keyword=the%20korean%20cinderella%20pdf In PDF document text
- http://files.greenpawsvetcare.com/uploads/1/3/1/3/131383251/keviwalewixifa.pdfIn PDF document text
- http://files.ericgamalinda.com/uploads/1/3/0/8/130874102/635348.pdfIn PDF document text
- http://files.icbluestockings.org/uploads/1/3/0/7/130776712/veliwu-nunexozizosixoj.pdfIn PDF document text
- http://files.sailonsounds.com/uploads/1/3/1/4/131406202/koseji-fetarufonize.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/1/0430/7828/7513/files/95969659775.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1814/9285/files/28054610501.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0673/0144/files/62819530011.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1551/9912/files/gewolawelewodipenapodap.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/64630415929.pdfIn PDF document text
- https://movulimisulu.files.wordpress.com/2020/07/91638471660.pdfIn PDF document text
- https://valoranas.files.wordpress.com/2020/06/wopomimovobuloseker.pdfIn PDF document text
- https://zexitisi.files.wordpress.com/2020/06/fatekujamaji.pdfIn PDF document text
- https://vigupowiri.files.wordpress.com/2020/07/33367610545.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/6696/3621/files/nujapejakafewulaxoguvumag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3415/5928/files/wuwoxewimakixeluwole.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0006/9283/files/mepinudinutelimapenoruli.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9573/6988/files/46417195592.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9018/2304/files/64923917748.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5000/0791/files/monovajafasufavagometa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9289/4105/files/wuxelovazabiparopinox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2425/9992/files/sikes.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_off00006761.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6761 | 4788 bytes |
SHA-256: f2665941bb0e069e0153727aa408f0aeb292876e5f180c645d9b35a39c012979 |
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font_01_sfnt_off0000778f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x778F | 10276 bytes |
SHA-256: 592e6b797754bfe832258c8aad6391ca6ce31be78e73ee64cd90da673b108823 |
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