MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains a large number of embedded links, many of which point to disposable hosting and appear to be part of an SEO link farm. One critical heuristic identified a link to known malicious redirector infrastructure. The ML classifier strongly indicated maliciousness, suggesting the document's primary purpose is to lure users to potentially harmful websites.
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=direct%20veneer%20pdf In PDF document text
- http://files.optimalstopping.com/uploads/1/3/2/6/132681316/1326320.pdfIn PDF document text
- http://files.ornamentsofexpression.com/uploads/1/3/1/4/131455883/vojosa.pdfIn PDF document text
- http://files.isabellegiroux.net/uploads/1/3/2/6/132681566/wopote-kusenawir-zogasofomira.pdfIn PDF document text
- http://files.businessbcs.com/uploads/1/3/2/7/132740343/e9c81eaa854.pdfIn PDF document text
- http://files.bowlrevs.com/uploads/1/3/0/7/130739764/pafimuzarenib.pdfIn PDF document text
- http://files.academiescollaborative.com/uploads/1/3/1/3/131383889/7a1084b.pdfIn PDF document text
- http://files.tlquachfilms.com/uploads/1/3/1/6/131606819/1bcec1b4c1.pdfIn PDF document text
- http://files.onesketchyartstudio.com/uploads/1/3/2/8/132814272/81b3f276f205fce.pdfIn PDF document text
- http://files.gammaetaomegaaka.org/uploads/1/3/1/6/131636990/5608641.pdfIn PDF document text
- http://files.jeffcofiretraining.org/uploads/1/3/2/6/132681409/4110604.pdfIn PDF document text
- http://files.willowwildedges.com/uploads/1/3/1/8/131856443/xukopiwome-tojazelapiz-kasivezobisu-sunezurawuse.pdfIn PDF document text
- http://files.sharpspoonpictures.com/uploads/1/3/0/7/130776481/kelejot-limemo.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://mizarexil.files.wordpress.com/2020/06/difeme.pdfIn PDF document text
- https://duvudikugaju.files.wordpress.com/2020/07/bepeguwifez.pdfIn PDF document text
- https://repaxazaw.files.wordpress.com/2020/06/zepidosimizudegexatuxew.pdfIn PDF document text
- https://xetegiremu.files.wordpress.com/2020/07/20733492915.pdfIn PDF document text
- https://bidazinefak.files.wordpress.com/2020/06/topivofafolozenusadatikoj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/siwizobudavegi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/46824776831.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/20745245188.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_off000072cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72CD | 4464 bytes |
SHA-256: f069aef52d57a33a2d58981f67559a58fbecd93b2cafb518f8e923ca242aa364 |
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font_01_sfnt_off0000820b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x820B | 10592 bytes |
SHA-256: ec6dd412ab310b673e18bf7fc2303b51a42343a072fb0b18b75e6919f702336b |
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