MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded URLs, many of which point to disposable hosting and appear to be part of a link farm designed to redirect users to malicious content. One URL, 'https://ttraff.ru/wb?keyword=stoppard%20rosencrantz%20and%20guildenstern%20are%20dead%20pdf', is explicitly flagged as a known malicious redirector. The ML classifier also strongly indicated 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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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/wb?keyword=stoppard%20rosencrantz%20and%20guildenstern%20are%20dead%20pdf In PDF document text
- http://files.poteetchoir.com/uploads/1/3/0/7/130776591/karonajebajekexik.pdfIn PDF document text
- http://files.heroicfineartgallery.com/uploads/1/3/1/3/131398542/kizufijoso-turezomejosopot-vorig-tilak.pdfIn PDF document text
- http://files.womenofintuitivewisdom.com/uploads/1/3/1/4/131453299/gufedafoxubujudejow.pdfIn PDF document text
- http://files.twocarpentersconstruction.com/uploads/1/3/0/8/130873895/xuvodobisedozu.pdfIn PDF document text
- http://files.tomdexter.com/uploads/1/3/1/1/131164472/8994202.pdfIn PDF document text
- http://files.cyclonecanvas.com/uploads/1/3/1/1/131163516/1914316.pdfIn PDF document text
- http://files.tarotartist.net/uploads/1/3/2/6/132681938/8280551.pdfIn PDF document text
- http://files.updatescentral.com/uploads/1/3/1/3/131384018/fotimiva_nidanu_gibuvidedavade.pdfIn PDF document text
- http://files.dongshiart.com/uploads/1/3/1/6/131607005/zumuzesuxunol.pdfIn PDF document text
- http://files.atspscecentennial.org/uploads/1/3/2/6/132681758/favewajuwiko.pdfIn PDF document text
- http://files.liquidsunshinedesigns.net/uploads/1/3/1/6/131606644/6427307.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://nulonexix.files.wordpress.com/2020/06/kewexosijurat.pdfIn PDF document text
- https://bonovujogaj.files.wordpress.com/2020/06/10786460778.pdfIn PDF document text
- https://sefofulevap.files.wordpress.com/2020/06/gebedevazalijofitupe.pdfIn PDF document text
- https://zuporewa.files.wordpress.com/2020/06/malosolipepesiguw.pdfIn PDF document text
- https://sedavamajux.files.wordpress.com/2020/06/norogemevibifejuzafofaf.pdfIn PDF document text
- https://dezixoniwi.files.wordpress.com/2020/07/fupuw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/puneson.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/16711599054.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xekugoxozeritazol.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_off00009883.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9883 | 5356 bytes |
SHA-256: f3fd13cdb8a5140eca02fbf78174f40cd30ff5fa9e8bca2d9ff9586ce05e88ef |
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font_01_sfnt_off0000aac8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAAC8 | 10560 bytes |
SHA-256: 126ea22c4adfeae7a39a10502eda867a3dc7b0623805880c5bc1a5255be541d5 |
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